Components
24
Twig Components
103
Render Count
389
ms
Render Time
16.0
MiB
Memory Usage
Components
Render calls
entry | App\Twig\Components\EntryComponent | 16.0 MiB | 50.32 ms | |
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Component | App\Twig\Components\EntryComponent {#2959 -authorizationChecker: Symfony\Component\Security\Core\Authorization\AuthorizationChecker {#931 …} -newCommentMarkerCount: App\Kbin\NewCommentMarker\NewCommentMarkerCount {#2960 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -twig: Twig\Environment {#1252 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} +entry: App\Entity\Entry {#2419 +user: Proxies\__CG__\App\Entity\User {#1970 +avatar: null +cover: null +email: "megrania@discuss.tchncs.de" +username: "@megrania@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1703804620 {#1518 : 2023-12-29 00:03:40.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true 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Doctrine\ORM\PersistentCollection {#1615 …} +categories: Doctrine\ORM\PersistentCollection {#1674 …} -id: 66166 -password: "$2y$13$xdbCkTvEPAgb1MYcVBxAFe7ZOfS4Qn3j0wLK9jCJhwY7wEDgd.1Dm" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1671 …} +apId: "megrania@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/megrania" +apPublicUrl: "https://discuss.tchncs.de/u/megrania" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "megrania" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1708852828 {#1536 : 2024-02-25 10:20:28.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1698215468 {#1516 : 2023-10-25 08:31:08.0 +02:00 } +__isInitialized__: true …2 } +magazine: App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +isSingle: true +showShortSentence: false +showBody: true +showMagazineName: false +canSeeTrash: false +newComments: 0 } |
user_inline | App\Twig\Components\UserInlineComponent | 16.0 MiB | 0.30 ms | |
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Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. 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If the module is specced for use with AC as well as DC, then this just means what you already suspected: it has an integrated bridge rectifier and most likely some sort of low pass for the rectified power (read: a bunch of big capacitors).\n \n You could just go with a big transformer core that powers them all at the same time; many commercial amps do that and it works fine in general, provided you have enough margin for power spikes and the modules will not influence each other when connected in parallel to power.\n \n In my opinion using separate transformers would be paranoid but it would work of course.\n \n Edit: dont forget that this thing will produce heat. If you really go with an 800W transformer then you have to be able to cool about 400W in the worst case (going by the data sheet power dissipation of the chip and assumed transformer + rectifier efficiency of 90%). 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66166 -password: "$2y$13$xdbCkTvEPAgb1MYcVBxAFe7ZOfS4Qn3j0wLK9jCJhwY7wEDgd.1Dm" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1671 …} +apId: "megrania@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/megrania" +apPublicUrl: "https://discuss.tchncs.de/u/megrania" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "megrania" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1708852828 {#1536 : 2024-02-25 10:20:28.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1698215468 {#1516 : 2023-10-25 08:31:08.0 +02:00 } +__isInitialized__: true …2 } +magazine: App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Acording to the datasheet the TDA7294 uses -V~s~ and +V~s~ in the block diagram so i would assume it is intended to be used with DC power. If the module is specced for use with AC as well as DC, then this just means what you already suspected: it has an integrated bridge rectifier and most likely some sort of low pass for the rectified power (read: a bunch of big capacitors).\n \n You could just go with a big transformer core that powers them all at the same time; many commercial amps do that and it works fine in general, provided you have enough margin for power spikes and the modules will not influence each other when connected in parallel to power.\n \n In my opinion using separate transformers would be paranoid but it would work of course.\n \n Edit: dont forget that this thing will produce heat. If you really go with an 800W transformer then you have to be able to cool about 400W in the worst case (going by the data sheet power dissipation of the chip and assumed transformer + rectifier efficiency of 90%). 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user_inline | App\Twig\Components\UserInlineComponent | 16.0 MiB | 0.15 ms | |
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date | App\Twig\Components\DateComponent | 16.0 MiB | 0.14 ms | |
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Input props | [ "date" => DateTimeImmutable @1698276158 {#4048 : 2023-10-26 01:22:38.0 +02:00 } ] |
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Component | App\Twig\Components\DateComponent {#4481 +date: DateTimeImmutable @1698276158 {#4048 : 2023-10-26 01:22:38.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 16.0 MiB | 0.14 ms | |
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Input props | [ "createdAt" => DateTimeImmutable @1698276158 {#4048 : 2023-10-26 01:22:38.0 +02:00 } "editedAt" => DateTimeImmutable @1698276770 {#3985 : 2023-10-26 01:32:50.0 +02:00 } ] |
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user_avatar | App\Twig\Components\UserAvatarComponent | 16.0 MiB | 0.19 ms | |
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Input props | [ "user" => App\Entity\User {#3987 +avatar: null +cover: null +email: "user134450@feddit.de" +username: "@user134450@feddit.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1699130973 {#4044 : 2023-11-04 21:49:33.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#3988 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#3990 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#3983 …} +entries: Doctrine\ORM\PersistentCollection {#3981 …} +entryVotes: Doctrine\ORM\PersistentCollection {#3978 …} +entryComments: Doctrine\ORM\PersistentCollection {#3976 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#3974 …} +posts: Doctrine\ORM\PersistentCollection {#3971 …} +postVotes: Doctrine\ORM\PersistentCollection {#3969 …} +postComments: Doctrine\ORM\PersistentCollection {#3967 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#3964 …} +subscriptions: Doctrine\ORM\PersistentCollection {#3962 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#3960 …} +follows: Doctrine\ORM\PersistentCollection {#4102 …} +followers: Doctrine\ORM\PersistentCollection {#4095 …} +blocks: Doctrine\ORM\PersistentCollection {#4085 …} +blockers: Doctrine\ORM\PersistentCollection {#4074 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4047 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4105 …} +reports: Doctrine\ORM\PersistentCollection {#4101 …} +favourites: Doctrine\ORM\PersistentCollection {#4099 …} +violations: Doctrine\ORM\PersistentCollection {#4098 …} +notifications: Doctrine\ORM\PersistentCollection {#4097 …} +awards: Doctrine\ORM\PersistentCollection {#4087 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4090 …} +categories: Doctrine\ORM\PersistentCollection {#4088 …} -id: 54041 -password: "$2y$13$ATa5LVEQ3LkMC3stZF2youasP.02rPIUkflMKCqE1JUvgRTlcP4rC" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4086 …} +apId: "user134450@feddit.de" +apProfileId: "https://feddit.de/u/user134450" +apPublicUrl: "https://feddit.de/u/user134450" +apFollowersUrl: null +apInboxUrl: "https://feddit.de/inbox" +apDomain: "feddit.de" +apPreferredUsername: "user134450" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1704625096 {#4042 : 2024-01-07 11:58:16.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1696798251 {#4041 : 2023-10-08 22:50:51.0 +02:00 } } "width" => 40 "height" => 40 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#4591 +width: 40 +height: 40 +user: App\Entity\User {#3987 +avatar: null +cover: null +email: "user134450@feddit.de" +username: "@user134450@feddit.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1699130973 {#4044 : 2023-11-04 21:49:33.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#3988 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#3990 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#3983 …} +entries: Doctrine\ORM\PersistentCollection {#3981 …} +entryVotes: Doctrine\ORM\PersistentCollection {#3978 …} +entryComments: Doctrine\ORM\PersistentCollection {#3976 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#3974 …} +posts: Doctrine\ORM\PersistentCollection {#3971 …} +postVotes: Doctrine\ORM\PersistentCollection {#3969 …} +postComments: Doctrine\ORM\PersistentCollection {#3967 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#3964 …} +subscriptions: Doctrine\ORM\PersistentCollection {#3962 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#3960 …} +follows: Doctrine\ORM\PersistentCollection {#4102 …} +followers: Doctrine\ORM\PersistentCollection {#4095 …} +blocks: Doctrine\ORM\PersistentCollection {#4085 …} +blockers: Doctrine\ORM\PersistentCollection {#4074 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4047 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4105 …} +reports: Doctrine\ORM\PersistentCollection {#4101 …} +favourites: Doctrine\ORM\PersistentCollection {#4099 …} +violations: Doctrine\ORM\PersistentCollection {#4098 …} +notifications: Doctrine\ORM\PersistentCollection {#4097 …} +awards: Doctrine\ORM\PersistentCollection {#4087 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4090 …} +categories: Doctrine\ORM\PersistentCollection {#4088 …} -id: 54041 -password: "$2y$13$ATa5LVEQ3LkMC3stZF2youasP.02rPIUkflMKCqE1JUvgRTlcP4rC" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4086 …} +apId: "user134450@feddit.de" +apProfileId: "https://feddit.de/u/user134450" +apPublicUrl: "https://feddit.de/u/user134450" +apFollowersUrl: null +apInboxUrl: "https://feddit.de/inbox" +apDomain: "feddit.de" +apPreferredUsername: "user134450" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1704625096 {#4042 : 2024-01-07 11:58:16.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1696798251 {#4041 : 2023-10-08 22:50:51.0 +02:00 } } +asLink: true } |
vote | App\Twig\Components\VoteComponent | 16.0 MiB | 0.39 ms | |
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Input props | [ "subject" => App\Entity\EntryComment {#4039 +user: App\Entity\User {#3987 +avatar: null +cover: null +email: "user134450@feddit.de" +username: "@user134450@feddit.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1699130973 {#4044 : 2023-11-04 21:49:33.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#3988 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#3990 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#3983 …} +entries: Doctrine\ORM\PersistentCollection {#3981 …} +entryVotes: Doctrine\ORM\PersistentCollection {#3978 …} +entryComments: Doctrine\ORM\PersistentCollection {#3976 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#3974 …} +posts: Doctrine\ORM\PersistentCollection {#3971 …} +postVotes: Doctrine\ORM\PersistentCollection {#3969 …} +postComments: Doctrine\ORM\PersistentCollection {#3967 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#3964 …} +subscriptions: Doctrine\ORM\PersistentCollection {#3962 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#3960 …} +follows: Doctrine\ORM\PersistentCollection {#4102 …} +followers: Doctrine\ORM\PersistentCollection {#4095 …} +blocks: Doctrine\ORM\PersistentCollection {#4085 …} +blockers: Doctrine\ORM\PersistentCollection {#4074 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4047 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4105 …} +reports: Doctrine\ORM\PersistentCollection {#4101 …} +favourites: Doctrine\ORM\PersistentCollection {#4099 …} +violations: Doctrine\ORM\PersistentCollection {#4098 …} +notifications: Doctrine\ORM\PersistentCollection {#4097 …} +awards: Doctrine\ORM\PersistentCollection {#4087 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4090 …} +categories: Doctrine\ORM\PersistentCollection {#4088 …} -id: 54041 -password: "$2y$13$ATa5LVEQ3LkMC3stZF2youasP.02rPIUkflMKCqE1JUvgRTlcP4rC" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4086 …} +apId: "user134450@feddit.de" +apProfileId: "https://feddit.de/u/user134450" +apPublicUrl: "https://feddit.de/u/user134450" +apFollowersUrl: null +apInboxUrl: "https://feddit.de/inbox" +apDomain: "feddit.de" +apPreferredUsername: "user134450" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1704625096 {#4042 : 2024-01-07 11:58:16.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1696798251 {#4041 : 2023-10-08 22:50:51.0 +02:00 } } +entry: App\Entity\Entry {#2419 +user: Proxies\__CG__\App\Entity\User {#1970 +avatar: null +cover: null +email: "megrania@discuss.tchncs.de" +username: "@megrania@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1703804620 {#1518 : 2023-12-29 00:03:40.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1623 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1704 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1712 …} +entries: Doctrine\ORM\PersistentCollection {#1706 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1657 …} +entryComments: Doctrine\ORM\PersistentCollection {#1745 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1469 …} +posts: Doctrine\ORM\PersistentCollection {#1749 …} +postVotes: Doctrine\ORM\PersistentCollection {#1491 …} +postComments: Doctrine\ORM\PersistentCollection {#1779 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1633 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1754 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1449 …} +follows: Doctrine\ORM\PersistentCollection {#1446 …} +followers: Doctrine\ORM\PersistentCollection {#1409 …} +blocks: Doctrine\ORM\PersistentCollection {#1461 …} +blockers: Doctrine\ORM\PersistentCollection {#1416 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1433 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1435 …} +reports: Doctrine\ORM\PersistentCollection {#1462 …} +favourites: Doctrine\ORM\PersistentCollection {#1429 …} +violations: Doctrine\ORM\PersistentCollection {#1695 …} +notifications: Doctrine\ORM\PersistentCollection {#1698 …} +awards: Doctrine\ORM\PersistentCollection {#1699 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1615 …} +categories: Doctrine\ORM\PersistentCollection {#1674 …} -id: 66166 -password: "$2y$13$xdbCkTvEPAgb1MYcVBxAFe7ZOfS4Qn3j0wLK9jCJhwY7wEDgd.1Dm" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1671 …} +apId: "megrania@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/megrania" +apPublicUrl: "https://discuss.tchncs.de/u/megrania" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "megrania" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1708852828 {#1536 : 2024-02-25 10:20:28.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1698215468 {#1516 : 2023-10-25 08:31:08.0 +02:00 } +__isInitialized__: true …2 } +magazine: App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Acording to the datasheet the TDA7294 uses -V~s~ and +V~s~ in the block diagram so i would assume it is intended to be used with DC power. If the module is specced for use with AC as well as DC, then this just means what you already suspected: it has an integrated bridge rectifier and most likely some sort of low pass for the rectified power (read: a bunch of big capacitors).\n \n You could just go with a big transformer core that powers them all at the same time; many commercial amps do that and it works fine in general, provided you have enough margin for power spikes and the modules will not influence each other when connected in parallel to power.\n \n In my opinion using separate transformers would be paranoid but it would work of course.\n \n Edit: dont forget that this thing will produce heat. If you really go with an 800W transformer then you have to be able to cool about 400W in the worst case (going by the data sheet power dissipation of the chip and assumed transformer + rectifier efficiency of 90%). """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698276158 {#4049 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4037 …} +nested: Doctrine\ORM\PersistentCollection {#4035 …} +votes: Doctrine\ORM\PersistentCollection {#4033 …} +reports: Doctrine\ORM\PersistentCollection {#4031 …} +favourites: Doctrine\ORM\PersistentCollection {#3999 …} +notifications: Doctrine\ORM\PersistentCollection {#4003 …} -id: 72226 -bodyTs: "'400w':166 '800w':155 '90':187 'abl':162 'ac':38 'acord':1 'alreadi':49 'amp':94 'assum':20,182 'big':73,81 'block':15 'bridg':55 'bunch':71 'capacitor':74 'case':170 'chip':180 'commerci':93 'connect':120 'cool':164 'core':83 'could':76 'cours':139 'data':174 'datasheet':4 'dc':28,42 'diagram':16 'dissip':177 'dont':141 'edit':140 'effici':185 'enough':106 'fine':100 'forget':142 'general':102 'go':78,152,171 'heat':148 'influenc':116 'integr':54 'intend':23 'like':59 'low':63 'mani':92 'margin':107 'mean':46 'modul':32,113 'opinion':127 'parallel':122 'paranoid':133 'pass':64 'power':29,68,85,109,124,176 'produc':147 'provid':103 'read':69 'realli':151 'rectifi':56,67,184 'separ':129 'sheet':175 'sort':61 'specc':34 'spike':110 'suspect':50 'tda7294':6 'thing':145 'time':91 'transform':82,130,156,183 'use':7,26,36,128 'v':8,11 'well':40 'work':99,137 'worst':169 'would':19,131,136 '~s':9,12" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://feddit.de/comment/4228999" +editedAt: DateTimeImmutable @1698276770 {#3985 : 2023-10-26 01:32:50.0 +02:00 } +createdAt: DateTimeImmutable @1698276158 {#4048 : 2023-10-26 01:22:38.0 +02:00 } } ] |
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Attributes | [] |
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Component | App\Twig\Components\VoteComponent {#4698 +subject: App\Entity\EntryComment {#4039 +user: App\Entity\User {#3987 +avatar: null +cover: null +email: "user134450@feddit.de" +username: "@user134450@feddit.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1699130973 {#4044 : 2023-11-04 21:49:33.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: 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Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Acording to the datasheet the TDA7294 uses -V~s~ and +V~s~ in the block diagram so i would assume it is intended to be used with DC power. If the module is specced for use with AC as well as DC, then this just means what you already suspected: it has an integrated bridge rectifier and most likely some sort of low pass for the rectified power (read: a bunch of big capacitors).\n \n You could just go with a big transformer core that powers them all at the same time; many commercial amps do that and it works fine in general, provided you have enough margin for power spikes and the modules will not influence each other when connected in parallel to power.\n \n In my opinion using separate transformers would be paranoid but it would work of course.\n \n Edit: dont forget that this thing will produce heat. If you really go with an 800W transformer then you have to be able to cool about 400W in the worst case (going by the data sheet power dissipation of the chip and assumed transformer + rectifier efficiency of 90%). 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Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Acording to the datasheet the TDA7294 uses -V~s~ and +V~s~ in the block diagram so i would assume it is intended to be used with DC power. If the module is specced for use with AC as well as DC, then this just means what you already suspected: it has an integrated bridge rectifier and most likely some sort of low pass for the rectified power (read: a bunch of big capacitors).\n \n You could just go with a big transformer core that powers them all at the same time; many commercial amps do that and it works fine in general, provided you have enough margin for power spikes and the modules will not influence each other when connected in parallel to power.\n \n In my opinion using separate transformers would be paranoid but it would work of course.\n \n Edit: dont forget that this thing will produce heat. If you really go with an 800W transformer then you have to be able to cool about 400W in the worst case (going by the data sheet power dissipation of the chip and assumed transformer + rectifier efficiency of 90%). """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698276158 {#4049 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4037 …} +nested: Doctrine\ORM\PersistentCollection {#4035 …} +votes: Doctrine\ORM\PersistentCollection {#4033 …} +reports: Doctrine\ORM\PersistentCollection {#4031 …} +favourites: Doctrine\ORM\PersistentCollection {#3999 …} +notifications: Doctrine\ORM\PersistentCollection {#4003 …} -id: 72226 -bodyTs: "'400w':166 '800w':155 '90':187 'abl':162 'ac':38 'acord':1 'alreadi':49 'amp':94 'assum':20,182 'big':73,81 'block':15 'bridg':55 'bunch':71 'capacitor':74 'case':170 'chip':180 'commerci':93 'connect':120 'cool':164 'core':83 'could':76 'cours':139 'data':174 'datasheet':4 'dc':28,42 'diagram':16 'dissip':177 'dont':141 'edit':140 'effici':185 'enough':106 'fine':100 'forget':142 'general':102 'go':78,152,171 'heat':148 'influenc':116 'integr':54 'intend':23 'like':59 'low':63 'mani':92 'margin':107 'mean':46 'modul':32,113 'opinion':127 'parallel':122 'paranoid':133 'pass':64 'power':29,68,85,109,124,176 'produc':147 'provid':103 'read':69 'realli':151 'rectifi':56,67,184 'separ':129 'sheet':175 'sort':61 'specc':34 'spike':110 'suspect':50 'tda7294':6 'thing':145 'time':91 'transform':82,130,156,183 'use':7,26,36,128 'v':8,11 'well':40 'work':99,137 'worst':169 'would':19,131,136 '~s':9,12" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://feddit.de/comment/4228999" +editedAt: DateTimeImmutable @1698276770 {#3985 : 2023-10-26 01:32:50.0 +02:00 } +createdAt: DateTimeImmutable @1698276158 {#4048 : 2023-10-26 01:22:38.0 +02:00 } } ] |
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"How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Acording to the datasheet the TDA7294 uses -V~s~ and +V~s~ in the block diagram so i would assume it is intended to be used with DC power. If the module is specced for use with AC as well as DC, then this just means what you already suspected: it has an integrated bridge rectifier and most likely some sort of low pass for the rectified power (read: a bunch of big capacitors).\n \n You could just go with a big transformer core that powers them all at the same time; many commercial amps do that and it works fine in general, provided you have enough margin for power spikes and the modules will not influence each other when connected in parallel to power.\n \n In my opinion using separate transformers would be paranoid but it would work of course.\n \n Edit: dont forget that this thing will produce heat. If you really go with an 800W transformer then you have to be able to cool about 400W in the worst case (going by the data sheet power dissipation of the chip and assumed transformer + rectifier efficiency of 90%). 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Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Acording to the datasheet the TDA7294 uses -V~s~ and +V~s~ in the block diagram so i would assume it is intended to be used with DC power. If the module is specced for use with AC as well as DC, then this just means what you already suspected: it has an integrated bridge rectifier and most likely some sort of low pass for the rectified power (read: a bunch of big capacitors).\n \n You could just go with a big transformer core that powers them all at the same time; many commercial amps do that and it works fine in general, provided you have enough margin for power spikes and the modules will not influence each other when connected in parallel to power.\n \n In my opinion using separate transformers would be paranoid but it would work of course.\n \n Edit: dont forget that this thing will produce heat. If you really go with an 800W transformer then you have to be able to cool about 400W in the worst case (going by the data sheet power dissipation of the chip and assumed transformer + rectifier efficiency of 90%). 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an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Acording to the datasheet the TDA7294 uses -V~s~ and +V~s~ in the block diagram so i would assume it is intended to be used with DC power. If the module is specced for use with AC as well as DC, then this just means what you already suspected: it has an integrated bridge rectifier and most likely some sort of low pass for the rectified power (read: a bunch of big capacitors).\n \n You could just go with a big transformer core that powers them all at the same time; many commercial amps do that and it works fine in general, provided you have enough margin for power spikes and the modules will not influence each other when connected in parallel to power.\n \n In my opinion using separate transformers would be paranoid but it would work of course.\n \n Edit: dont forget that this thing will produce heat. If you really go with an 800W transformer then you have to be able to cool about 400W in the worst case (going by the data sheet power dissipation of the chip and assumed transformer + rectifier efficiency of 90%). 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Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ When I look around then this amp, taking your statement with the rectifier, needs symetrical AC supply as an input.\n \n For a mono amp the transformer would be 120W / 2x25V per amp. You need more because of the loss the amp includes\n \n Depending on your setup and build maybe several transformers would be better. Or you add all up to 960W trafo. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698251086 {#4083 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4076 …} +nested: Doctrine\ORM\PersistentCollection {#4067 …} +votes: Doctrine\ORM\PersistentCollection {#4070 …} +reports: Doctrine\ORM\PersistentCollection {#4065 …} +favourites: Doctrine\ORM\PersistentCollection {#4063 …} +notifications: Doctrine\ORM\PersistentCollection {#4061 …} -id: 70534 -bodyTs: "'120w':29 '2x25v':30 '960w':61 'ac':16 'add':57 'amp':7,24,32,41 'around':4 'better':54 'build':48 'depend':43 'includ':42 'input':20 'look':3 'loss':39 'mayb':49 'mono':23 'need':14,34 'per':31 'rectifi':13 'setup':46 'sever':50 'statement':10 'suppli':17 'symetr':15 'take':8 'trafo':62 'transform':26,51 'would':27,52" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://feddit.de/comment/4208068" +editedAt: DateTimeImmutable @1698217962 {#4081 : 2023-10-25 09:12:42.0 +02:00 } +createdAt: DateTimeImmutable @1698217900 {#4082 : 2023-10-25 09:11:40.0 +02:00 } } "showNested" => true "dateAsUrl" => false "showMagazineName" => false "showEntryTitle" => false ] |
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66166 -password: "$2y$13$xdbCkTvEPAgb1MYcVBxAFe7ZOfS4Qn3j0wLK9jCJhwY7wEDgd.1Dm" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1671 …} +apId: "megrania@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/megrania" +apPublicUrl: "https://discuss.tchncs.de/u/megrania" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "megrania" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1708852828 {#1536 : 2024-02-25 10:20:28.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1698215468 {#1516 : 2023-10-25 08:31:08.0 +02:00 } +__isInitialized__: true …2 } +magazine: App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ When I look around then this amp, taking your statement with the rectifier, needs symetrical AC supply as an input.\n \n For a mono amp the transformer would be 120W / 2x25V per amp. You need more because of the loss the amp includes\n \n Depending on your setup and build maybe several transformers would be better. Or you add all up to 960W trafo. 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Component | App\Twig\Components\DateComponent {#5186 +date: DateTimeImmutable @1698217900 {#4082 : 2023-10-25 09:11:40.0 +02:00 } } |
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electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ When I look around then this amp, taking your statement with the rectifier, needs symetrical AC supply as an input.\n \n For a mono amp the transformer would be 120W / 2x25V per amp. You need more because of the loss the amp includes\n \n Depending on your setup and build maybe several transformers would be better. Or you add all up to 960W trafo. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698251086 {#4083 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4076 …} +nested: Doctrine\ORM\PersistentCollection {#4067 …} +votes: Doctrine\ORM\PersistentCollection {#4070 …} +reports: Doctrine\ORM\PersistentCollection {#4065 …} +favourites: Doctrine\ORM\PersistentCollection {#4063 …} +notifications: Doctrine\ORM\PersistentCollection {#4061 …} -id: 70534 -bodyTs: "'120w':29 '2x25v':30 '960w':61 'ac':16 'add':57 'amp':7,24,32,41 'around':4 'better':54 'build':48 'depend':43 'includ':42 'input':20 'look':3 'loss':39 'mayb':49 'mono':23 'need':14,34 'per':31 'rectifi':13 'setup':46 'sever':50 'statement':10 'suppli':17 'symetr':15 'take':8 'trafo':62 'transform':26,51 'would':27,52" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://feddit.de/comment/4208068" +editedAt: DateTimeImmutable @1698217962 {#4081 : 2023-10-25 09:12:42.0 +02:00 } +createdAt: DateTimeImmutable @1698217900 {#4082 : 2023-10-25 09:11:40.0 +02:00 } } ] |
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Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ When I look around then this amp, taking your statement with the rectifier, needs symetrical AC supply as an input.\n \n For a mono amp the transformer would be 120W / 2x25V per amp. You need more because of the loss the amp includes\n \n Depending on your setup and build maybe several transformers would be better. Or you add all up to 960W trafo. 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Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ When I look around then this amp, taking your statement with the rectifier, needs symetrical AC supply as an input.\n \n For a mono amp the transformer would be 120W / 2x25V per amp. You need more because of the loss the amp includes\n \n Depending on your setup and build maybe several transformers would be better. Or you add all up to 960W trafo. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698251086 {#4083 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4076 …} +nested: Doctrine\ORM\PersistentCollection {#4067 …} +votes: Doctrine\ORM\PersistentCollection {#4070 …} +reports: Doctrine\ORM\PersistentCollection {#4065 …} +favourites: Doctrine\ORM\PersistentCollection {#4063 …} +notifications: Doctrine\ORM\PersistentCollection {#4061 …} -id: 70534 -bodyTs: "'120w':29 '2x25v':30 '960w':61 'ac':16 'add':57 'amp':7,24,32,41 'around':4 'better':54 'build':48 'depend':43 'includ':42 'input':20 'look':3 'loss':39 'mayb':49 'mono':23 'need':14,34 'per':31 'rectifi':13 'setup':46 'sever':50 'statement':10 'suppli':17 'symetr':15 'take':8 'trafo':62 'transform':26,51 'would':27,52" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://feddit.de/comment/4208068" +editedAt: DateTimeImmutable @1698217962 {#4081 : 2023-10-25 09:12:42.0 +02:00 } +createdAt: DateTimeImmutable @1698217900 {#4082 : 2023-10-25 09:11:40.0 +02:00 } } "level" => 1 "showNested" => true "view" => "tree" ] |
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an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ When I look around then this amp, taking your statement with the rectifier, needs symetrical AC supply as an input.\n \n For a mono amp the transformer would be 120W / 2x25V per amp. You need more because of the loss the amp includes\n \n Depending on your setup and build maybe several transformers would be better. Or you add all up to 960W trafo. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698251086 {#4083 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4076 …} +nested: Doctrine\ORM\PersistentCollection {#4067 …} +votes: Doctrine\ORM\PersistentCollection {#4070 …} +reports: Doctrine\ORM\PersistentCollection {#4065 …} +favourites: Doctrine\ORM\PersistentCollection {#4063 …} +notifications: Doctrine\ORM\PersistentCollection {#4061 …} -id: 70534 -bodyTs: "'120w':29 '2x25v':30 '960w':61 'ac':16 'add':57 'amp':7,24,32,41 'around':4 'better':54 'build':48 'depend':43 'includ':42 'input':20 'look':3 'loss':39 'mayb':49 'mono':23 'need':14,34 'per':31 'rectifi':13 'setup':46 'sever':50 'statement':10 'suppli':17 'symetr':15 'take':8 'trafo':62 'transform':26,51 'would':27,52" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://feddit.de/comment/4208068" +editedAt: DateTimeImmutable @1698217962 {#4081 : 2023-10-25 09:12:42.0 +02:00 } +createdAt: DateTimeImmutable @1698217900 {#4082 : 2023-10-25 09:11:40.0 +02:00 } } +nestedComments: [ 71457 => App\Entity\EntryComment {#4346 +user: Proxies\__CG__\App\Entity\User {#1970 …2} +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: App\Entity\EntryComment {#4075} +root: App\Entity\EntryComment {#4075} +body: """ The idea is to have an 8-channel power amplifier in one box …\n \n I still have to source the right trafo, but one large one would be both lighter and cheaper (new) than, say 4 small ones. An argument to use multiple would potentially be that peaks on individual channels might have less impact on the other channels. Still working on it … """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698251086 {#4344 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Fermiverse@feddit.de" ] +children: Doctrine\ORM\PersistentCollection {#4347 …} +nested: Doctrine\ORM\PersistentCollection {#4349 …} +votes: Doctrine\ORM\PersistentCollection {#4351 …} +reports: Doctrine\ORM\PersistentCollection {#4353 …} +favourites: Doctrine\ORM\PersistentCollection {#4355 …} +notifications: Doctrine\ORM\PersistentCollection {#4357 …} -id: 71457 -bodyTs: "'4':35 '8':7 'amplifi':10 'argument':39 'box':13 'channel':8,50,58 'cheaper':31 'idea':2 'impact':54 'individu':49 'larg':24 'less':53 'lighter':29 'might':51 'multipl':42 'new':32 'one':12,23,25,37 'peak':47 'potenti':44 'power':9 'right':20 'say':34 'small':36 'sourc':18 'still':15,59 'trafo':21 'use':41 'work':60 'would':26,43" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4270362" +editedAt: null +createdAt: DateTimeImmutable @1698251086 {#4345 : 2023-10-25 18:24:46.0 +02:00 } } ] +level: 1 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#556 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
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Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 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+apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1707449953 {#4072 : 2024-02-09 04:39:13.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1696824182 {#4077 : 2023-10-09 06:03:02.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ When I look around then this amp, taking your statement with the rectifier, needs symetrical AC supply as an input.\n \n For a mono amp the transformer would be 120W / 2x25V per amp. You need more because of the loss the amp includes\n \n Depending on your setup and build maybe several transformers would be better. Or you add all up to 960W trafo. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698251086 {#4083 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4076 …} +nested: Doctrine\ORM\PersistentCollection {#4067 …} +votes: Doctrine\ORM\PersistentCollection {#4070 …} +reports: Doctrine\ORM\PersistentCollection {#4065 …} +favourites: Doctrine\ORM\PersistentCollection {#4063 …} +notifications: Doctrine\ORM\PersistentCollection {#4061 …} -id: 70534 -bodyTs: "'120w':29 '2x25v':30 '960w':61 'ac':16 'add':57 'amp':7,24,32,41 'around':4 'better':54 'build':48 'depend':43 'includ':42 'input':20 'look':3 'loss':39 'mayb':49 'mono':23 'need':14,34 'per':31 'rectifi':13 'setup':46 'sever':50 'statement':10 'suppli':17 'symetr':15 'take':8 'trafo':62 'transform':26,51 'would':27,52" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://feddit.de/comment/4208068" +editedAt: DateTimeImmutable @1698217962 {#4081 : 2023-10-25 09:12:42.0 +02:00 } +createdAt: DateTimeImmutable @1698217900 {#4082 : 2023-10-25 09:11:40.0 +02:00 } } +root: App\Entity\EntryComment {#4075} +body: """ The idea is to have an 8-channel power amplifier in one box …\n \n I still have to source the right trafo, but one large one would be both lighter and cheaper (new) than, say 4 small ones. An argument to use multiple would potentially be that peaks on individual channels might have less impact on the other channels. Still working on it … """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698251086 {#4344 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Fermiverse@feddit.de" ] +children: Doctrine\ORM\PersistentCollection {#4347 …} +nested: Doctrine\ORM\PersistentCollection {#4349 …} +votes: Doctrine\ORM\PersistentCollection {#4351 …} +reports: Doctrine\ORM\PersistentCollection {#4353 …} +favourites: Doctrine\ORM\PersistentCollection {#4355 …} +notifications: Doctrine\ORM\PersistentCollection {#4357 …} -id: 71457 -bodyTs: "'4':35 '8':7 'amplifi':10 'argument':39 'box':13 'channel':8,50,58 'cheaper':31 'idea':2 'impact':54 'individu':49 'larg':24 'less':53 'lighter':29 'might':51 'multipl':42 'new':32 'one':12,23,25,37 'peak':47 'potenti':44 'power':9 'right':20 'say':34 'small':36 'sourc':18 'still':15,59 'trafo':21 'use':41 'work':60 'would':26,43" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4270362" +editedAt: null +createdAt: DateTimeImmutable @1698251086 {#4345 : 2023-10-25 18:24:46.0 +02:00 } } "showNested" => true "level" => 2 "showEntryTitle" => false "showMagazineName" => false ] |
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The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 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+blockedMagazines: Doctrine\ORM\PersistentCollection {#4134 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4136 …} +reports: Doctrine\ORM\PersistentCollection {#4138 …} +favourites: Doctrine\ORM\PersistentCollection {#4140 …} +violations: Doctrine\ORM\PersistentCollection {#4142 …} +notifications: Doctrine\ORM\PersistentCollection {#4144 …} +awards: Doctrine\ORM\PersistentCollection {#4146 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4148 …} +categories: Doctrine\ORM\PersistentCollection {#4150 …} -id: 54244 -password: "$2y$13$l/vHyOTrKoT0ITg0qNPl3On0DYtBRmzkN4vP/rOwzpqBMG2bkRsCC" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4152 …} +apId: "Fermiverse@feddit.de" +apProfileId: "https://feddit.de/u/Fermiverse" +apPublicUrl: "https://feddit.de/u/Fermiverse" +apFollowersUrl: null +apInboxUrl: "https://feddit.de/inbox" +apDomain: "feddit.de" +apPreferredUsername: "Fermiverse" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1707449953 {#4072 : 2024-02-09 04:39:13.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1696824182 {#4077 : 2023-10-09 06:03:02.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ When I look around then this amp, taking your statement with the rectifier, needs symetrical AC supply as an input.\n \n For a mono amp the transformer would be 120W / 2x25V per amp. You need more because of the loss the amp includes\n \n Depending on your setup and build maybe several transformers would be better. Or you add all up to 960W trafo. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698251086 {#4083 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4076 …} +nested: Doctrine\ORM\PersistentCollection {#4067 …} +votes: Doctrine\ORM\PersistentCollection {#4070 …} +reports: Doctrine\ORM\PersistentCollection {#4065 …} +favourites: Doctrine\ORM\PersistentCollection {#4063 …} +notifications: Doctrine\ORM\PersistentCollection {#4061 …} -id: 70534 -bodyTs: "'120w':29 '2x25v':30 '960w':61 'ac':16 'add':57 'amp':7,24,32,41 'around':4 'better':54 'build':48 'depend':43 'includ':42 'input':20 'look':3 'loss':39 'mayb':49 'mono':23 'need':14,34 'per':31 'rectifi':13 'setup':46 'sever':50 'statement':10 'suppli':17 'symetr':15 'take':8 'trafo':62 'transform':26,51 'would':27,52" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://feddit.de/comment/4208068" +editedAt: DateTimeImmutable @1698217962 {#4081 : 2023-10-25 09:12:42.0 +02:00 } +createdAt: DateTimeImmutable @1698217900 {#4082 : 2023-10-25 09:11:40.0 +02:00 } } +root: App\Entity\EntryComment {#4075} +body: """ The idea is to have an 8-channel power amplifier in one box …\n \n I still have to source the right trafo, but one large one would be both lighter and cheaper (new) than, say 4 small ones. An argument to use multiple would potentially be that peaks on individual channels might have less impact on the other channels. Still working on it … """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698251086 {#4344 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Fermiverse@feddit.de" ] +children: Doctrine\ORM\PersistentCollection {#4347 …} +nested: Doctrine\ORM\PersistentCollection {#4349 …} +votes: Doctrine\ORM\PersistentCollection {#4351 …} +reports: Doctrine\ORM\PersistentCollection {#4353 …} +favourites: Doctrine\ORM\PersistentCollection {#4355 …} +notifications: Doctrine\ORM\PersistentCollection {#4357 …} -id: 71457 -bodyTs: "'4':35 '8':7 'amplifi':10 'argument':39 'box':13 'channel':8,50,58 'cheaper':31 'idea':2 'impact':54 'individu':49 'larg':24 'less':53 'lighter':29 'might':51 'multipl':42 'new':32 'one':12,23,25,37 'peak':47 'potenti':44 'power':9 'right':20 'say':34 'small':36 'sourc':18 'still':15,59 'trafo':21 'use':41 'work':60 'would':26,43" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4270362" +editedAt: null +createdAt: DateTimeImmutable @1698251086 {#4345 : 2023-10-25 18:24:46.0 +02:00 } } +showMagazineName: false +showEntryTitle: false +showNested: true +level: 2 +canSeeTrash: false +dateAsUrl: false -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -authorizationChecker: Symfony\Component\Security\Core\Authorization\AuthorizationChecker {#931 …} } |
user_inline | App\Twig\Components\UserInlineComponent | 16.0 MiB | 0.16 ms | |
---|---|---|---|---|
Input props | [ "user" => Proxies\__CG__\App\Entity\User {#1970 +avatar: null +cover: null +email: "megrania@discuss.tchncs.de" +username: "@megrania@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1703804620 {#1518 : 2023-12-29 00:03:40.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1623 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1704 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1712 …} +entries: Doctrine\ORM\PersistentCollection {#1706 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1657 …} +entryComments: Doctrine\ORM\PersistentCollection {#1745 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1469 …} +posts: Doctrine\ORM\PersistentCollection {#1749 …} +postVotes: Doctrine\ORM\PersistentCollection {#1491 …} +postComments: Doctrine\ORM\PersistentCollection {#1779 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1633 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1754 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1449 …} +follows: Doctrine\ORM\PersistentCollection {#1446 …} +followers: Doctrine\ORM\PersistentCollection {#1409 …} +blocks: Doctrine\ORM\PersistentCollection {#1461 …} +blockers: Doctrine\ORM\PersistentCollection {#1416 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1433 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1435 …} +reports: Doctrine\ORM\PersistentCollection {#1462 …} +favourites: Doctrine\ORM\PersistentCollection {#1429 …} +violations: Doctrine\ORM\PersistentCollection {#1695 …} +notifications: Doctrine\ORM\PersistentCollection {#1698 …} +awards: Doctrine\ORM\PersistentCollection {#1699 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1615 …} +categories: Doctrine\ORM\PersistentCollection {#1674 …} -id: 66166 -password: "$2y$13$xdbCkTvEPAgb1MYcVBxAFe7ZOfS4Qn3j0wLK9jCJhwY7wEDgd.1Dm" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1671 …} +apId: "megrania@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/megrania" +apPublicUrl: "https://discuss.tchncs.de/u/megrania" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "megrania" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1708852828 {#1536 : 2024-02-25 10:20:28.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1698215468 {#1516 : 2023-10-25 08:31:08.0 +02:00 } +__isInitialized__: true …2 } "showAvatar" => false ] |
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Attributes | [] |
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Component | App\Twig\Components\UserInlineComponent {#5775 +user: Proxies\__CG__\App\Entity\User {#1970 +avatar: null +cover: null +email: "megrania@discuss.tchncs.de" +username: "@megrania@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1703804620 {#1518 : 2023-12-29 00:03:40.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1623 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1704 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1712 …} +entries: Doctrine\ORM\PersistentCollection {#1706 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1657 …} +entryComments: Doctrine\ORM\PersistentCollection {#1745 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1469 …} +posts: Doctrine\ORM\PersistentCollection {#1749 …} +postVotes: Doctrine\ORM\PersistentCollection {#1491 …} +postComments: Doctrine\ORM\PersistentCollection {#1779 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1633 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1754 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1449 …} +follows: Doctrine\ORM\PersistentCollection {#1446 …} +followers: Doctrine\ORM\PersistentCollection {#1409 …} +blocks: Doctrine\ORM\PersistentCollection {#1461 …} +blockers: Doctrine\ORM\PersistentCollection {#1416 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1433 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1435 …} +reports: Doctrine\ORM\PersistentCollection {#1462 …} +favourites: Doctrine\ORM\PersistentCollection {#1429 …} +violations: Doctrine\ORM\PersistentCollection {#1695 …} +notifications: Doctrine\ORM\PersistentCollection {#1698 …} +awards: Doctrine\ORM\PersistentCollection {#1699 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1615 …} +categories: Doctrine\ORM\PersistentCollection {#1674 …} -id: 66166 -password: "$2y$13$xdbCkTvEPAgb1MYcVBxAFe7ZOfS4Qn3j0wLK9jCJhwY7wEDgd.1Dm" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1671 …} +apId: "megrania@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/megrania" +apPublicUrl: "https://discuss.tchncs.de/u/megrania" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "megrania" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1708852828 {#1536 : 2024-02-25 10:20:28.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1698215468 {#1516 : 2023-10-25 08:31:08.0 +02:00 } +__isInitialized__: true …2 } +showAvatar: false } |
date | App\Twig\Components\DateComponent | 16.0 MiB | 0.14 ms | |
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Input props | [ "date" => DateTimeImmutable @1698251086 {#4345 : 2023-10-25 18:24:46.0 +02:00 } ] |
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Attributes | [] |
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Component | App\Twig\Components\DateComponent {#5830 +date: DateTimeImmutable @1698251086 {#4345 : 2023-10-25 18:24:46.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 16.0 MiB | 0.11 ms | |
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Input props | [ "createdAt" => DateTimeImmutable @1698251086 {#4345 : 2023-10-25 18:24:46.0 +02:00 } "editedAt" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\DateEditedComponent {#5884 +createdAt: DateTimeImmutable @1698251086 {#4345 : 2023-10-25 18:24:46.0 +02:00 } +editedAt: null } |
user_avatar | App\Twig\Components\UserAvatarComponent | 16.0 MiB | 0.20 ms | |
---|---|---|---|---|
Input props | [ "user" => Proxies\__CG__\App\Entity\User {#1970 +avatar: null +cover: null +email: "megrania@discuss.tchncs.de" +username: "@megrania@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1703804620 {#1518 : 2023-12-29 00:03:40.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1623 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1704 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1712 …} +entries: Doctrine\ORM\PersistentCollection {#1706 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1657 …} +entryComments: Doctrine\ORM\PersistentCollection {#1745 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1469 …} +posts: Doctrine\ORM\PersistentCollection {#1749 …} +postVotes: Doctrine\ORM\PersistentCollection {#1491 …} +postComments: Doctrine\ORM\PersistentCollection {#1779 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1633 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1754 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1449 …} +follows: Doctrine\ORM\PersistentCollection {#1446 …} +followers: Doctrine\ORM\PersistentCollection {#1409 …} +blocks: Doctrine\ORM\PersistentCollection {#1461 …} +blockers: Doctrine\ORM\PersistentCollection {#1416 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1433 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1435 …} +reports: Doctrine\ORM\PersistentCollection {#1462 …} +favourites: Doctrine\ORM\PersistentCollection {#1429 …} +violations: Doctrine\ORM\PersistentCollection {#1695 …} +notifications: Doctrine\ORM\PersistentCollection {#1698 …} +awards: Doctrine\ORM\PersistentCollection {#1699 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1615 …} +categories: Doctrine\ORM\PersistentCollection {#1674 …} -id: 66166 -password: "$2y$13$xdbCkTvEPAgb1MYcVBxAFe7ZOfS4Qn3j0wLK9jCJhwY7wEDgd.1Dm" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1671 …} +apId: "megrania@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/megrania" +apPublicUrl: "https://discuss.tchncs.de/u/megrania" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "megrania" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1708852828 {#1536 : 2024-02-25 10:20:28.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1698215468 {#1516 : 2023-10-25 08:31:08.0 +02:00 } +__isInitialized__: true …2 } "width" => 40 "height" => 40 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#5938 +width: 40 +height: 40 +user: Proxies\__CG__\App\Entity\User {#1970 +avatar: null +cover: null +email: "megrania@discuss.tchncs.de" +username: "@megrania@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1703804620 {#1518 : 2023-12-29 00:03:40.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1623 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1704 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1712 …} +entries: Doctrine\ORM\PersistentCollection {#1706 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1657 …} +entryComments: Doctrine\ORM\PersistentCollection {#1745 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1469 …} +posts: Doctrine\ORM\PersistentCollection {#1749 …} +postVotes: Doctrine\ORM\PersistentCollection {#1491 …} +postComments: Doctrine\ORM\PersistentCollection {#1779 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1633 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1754 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1449 …} +follows: Doctrine\ORM\PersistentCollection {#1446 …} +followers: Doctrine\ORM\PersistentCollection {#1409 …} +blocks: Doctrine\ORM\PersistentCollection {#1461 …} +blockers: Doctrine\ORM\PersistentCollection {#1416 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1433 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1435 …} +reports: Doctrine\ORM\PersistentCollection {#1462 …} +favourites: Doctrine\ORM\PersistentCollection {#1429 …} +violations: Doctrine\ORM\PersistentCollection {#1695 …} +notifications: Doctrine\ORM\PersistentCollection {#1698 …} +awards: Doctrine\ORM\PersistentCollection {#1699 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1615 …} +categories: Doctrine\ORM\PersistentCollection {#1674 …} -id: 66166 -password: "$2y$13$xdbCkTvEPAgb1MYcVBxAFe7ZOfS4Qn3j0wLK9jCJhwY7wEDgd.1Dm" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1671 …} +apId: "megrania@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/megrania" +apPublicUrl: "https://discuss.tchncs.de/u/megrania" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "megrania" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1708852828 {#1536 : 2024-02-25 10:20:28.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1698215468 {#1516 : 2023-10-25 08:31:08.0 +02:00 } +__isInitialized__: true …2 } +asLink: true } |
vote | App\Twig\Components\VoteComponent | 16.0 MiB | 0.49 ms | |
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Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 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+apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1707449953 {#4072 : 2024-02-09 04:39:13.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1696824182 {#4077 : 2023-10-09 06:03:02.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ When I look around then this amp, taking your statement with the rectifier, needs symetrical AC supply as an input.\n \n For a mono amp the transformer would be 120W / 2x25V per amp. You need more because of the loss the amp includes\n \n Depending on your setup and build maybe several transformers would be better. Or you add all up to 960W trafo. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698251086 {#4083 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4076 …} +nested: Doctrine\ORM\PersistentCollection {#4067 …} +votes: Doctrine\ORM\PersistentCollection {#4070 …} +reports: Doctrine\ORM\PersistentCollection {#4065 …} +favourites: Doctrine\ORM\PersistentCollection {#4063 …} +notifications: Doctrine\ORM\PersistentCollection {#4061 …} -id: 70534 -bodyTs: "'120w':29 '2x25v':30 '960w':61 'ac':16 'add':57 'amp':7,24,32,41 'around':4 'better':54 'build':48 'depend':43 'includ':42 'input':20 'look':3 'loss':39 'mayb':49 'mono':23 'need':14,34 'per':31 'rectifi':13 'setup':46 'sever':50 'statement':10 'suppli':17 'symetr':15 'take':8 'trafo':62 'transform':26,51 'would':27,52" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://feddit.de/comment/4208068" +editedAt: DateTimeImmutable @1698217962 {#4081 : 2023-10-25 09:12:42.0 +02:00 } +createdAt: DateTimeImmutable @1698217900 {#4082 : 2023-10-25 09:11:40.0 +02:00 } } +root: App\Entity\EntryComment {#4075} +body: """ The idea is to have an 8-channel power amplifier in one box …\n \n I still have to source the right trafo, but one large one would be both lighter and cheaper (new) than, say 4 small ones. An argument to use multiple would potentially be that peaks on individual channels might have less impact on the other channels. Still working on it … """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698251086 {#4344 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Fermiverse@feddit.de" ] +children: Doctrine\ORM\PersistentCollection {#4347 …} +nested: Doctrine\ORM\PersistentCollection {#4349 …} +votes: Doctrine\ORM\PersistentCollection {#4351 …} +reports: Doctrine\ORM\PersistentCollection {#4353 …} +favourites: Doctrine\ORM\PersistentCollection {#4355 …} +notifications: Doctrine\ORM\PersistentCollection {#4357 …} -id: 71457 -bodyTs: "'4':35 '8':7 'amplifi':10 'argument':39 'box':13 'channel':8,50,58 'cheaper':31 'idea':2 'impact':54 'individu':49 'larg':24 'less':53 'lighter':29 'might':51 'multipl':42 'new':32 'one':12,23,25,37 'peak':47 'potenti':44 'power':9 'right':20 'say':34 'small':36 'sourc':18 'still':15,59 'trafo':21 'use':41 'work':60 'would':26,43" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4270362" +editedAt: null +createdAt: DateTimeImmutable @1698251086 {#4345 : 2023-10-25 18:24:46.0 +02:00 } } ] |
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The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 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You need more because of the loss the amp includes\n \n Depending on your setup and build maybe several transformers would be better. Or you add all up to 960W trafo. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698251086 {#4083 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4076 …} +nested: Doctrine\ORM\PersistentCollection {#4067 …} +votes: Doctrine\ORM\PersistentCollection {#4070 …} +reports: Doctrine\ORM\PersistentCollection {#4065 …} +favourites: Doctrine\ORM\PersistentCollection {#4063 …} +notifications: Doctrine\ORM\PersistentCollection {#4061 …} -id: 70534 -bodyTs: "'120w':29 '2x25v':30 '960w':61 'ac':16 'add':57 'amp':7,24,32,41 'around':4 'better':54 'build':48 'depend':43 'includ':42 'input':20 'look':3 'loss':39 'mayb':49 'mono':23 'need':14,34 'per':31 'rectifi':13 'setup':46 'sever':50 'statement':10 'suppli':17 'symetr':15 'take':8 'trafo':62 'transform':26,51 'would':27,52" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://feddit.de/comment/4208068" +editedAt: DateTimeImmutable @1698217962 {#4081 : 2023-10-25 09:12:42.0 +02:00 } +createdAt: DateTimeImmutable @1698217900 {#4082 : 2023-10-25 09:11:40.0 +02:00 } } +root: App\Entity\EntryComment {#4075} +body: """ The idea is to have an 8-channel power amplifier in one box …\n \n I still have to source the right trafo, but one large one would be both lighter and cheaper (new) than, say 4 small ones. An argument to use multiple would potentially be that peaks on individual channels might have less impact on the other channels. Still working on it … """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698251086 {#4344 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Fermiverse@feddit.de" ] +children: Doctrine\ORM\PersistentCollection {#4347 …} +nested: Doctrine\ORM\PersistentCollection {#4349 …} +votes: Doctrine\ORM\PersistentCollection {#4351 …} +reports: Doctrine\ORM\PersistentCollection {#4353 …} +favourites: Doctrine\ORM\PersistentCollection {#4355 …} +notifications: Doctrine\ORM\PersistentCollection {#4357 …} -id: 71457 -bodyTs: "'4':35 '8':7 'amplifi':10 'argument':39 'box':13 'channel':8,50,58 'cheaper':31 'idea':2 'impact':54 'individu':49 'larg':24 'less':53 'lighter':29 'might':51 'multipl':42 'new':32 'one':12,23,25,37 'peak':47 'potenti':44 'power':9 'right':20 'say':34 'small':36 'sourc':18 'still':15,59 'trafo':21 'use':41 'work':60 'would':26,43" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4270362" +editedAt: null +createdAt: DateTimeImmutable @1698251086 {#4345 : 2023-10-25 18:24:46.0 +02:00 } } +formDest: "entry_comment" +showDownvote: true -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 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+apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1707449953 {#4072 : 2024-02-09 04:39:13.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1696824182 {#4077 : 2023-10-09 06:03:02.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ When I look around then this amp, taking your statement with the rectifier, needs symetrical AC supply as an input.\n \n For a mono amp the transformer would be 120W / 2x25V per amp. You need more because of the loss the amp includes\n \n Depending on your setup and build maybe several transformers would be better. Or you add all up to 960W trafo. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698251086 {#4083 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4076 …} +nested: Doctrine\ORM\PersistentCollection {#4067 …} +votes: Doctrine\ORM\PersistentCollection {#4070 …} +reports: Doctrine\ORM\PersistentCollection {#4065 …} +favourites: Doctrine\ORM\PersistentCollection {#4063 …} +notifications: Doctrine\ORM\PersistentCollection {#4061 …} -id: 70534 -bodyTs: "'120w':29 '2x25v':30 '960w':61 'ac':16 'add':57 'amp':7,24,32,41 'around':4 'better':54 'build':48 'depend':43 'includ':42 'input':20 'look':3 'loss':39 'mayb':49 'mono':23 'need':14,34 'per':31 'rectifi':13 'setup':46 'sever':50 'statement':10 'suppli':17 'symetr':15 'take':8 'trafo':62 'transform':26,51 'would':27,52" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://feddit.de/comment/4208068" +editedAt: DateTimeImmutable @1698217962 {#4081 : 2023-10-25 09:12:42.0 +02:00 } +createdAt: DateTimeImmutable @1698217900 {#4082 : 2023-10-25 09:11:40.0 +02:00 } } +root: App\Entity\EntryComment {#4075} +body: """ The idea is to have an 8-channel power amplifier in one box …\n \n I still have to source the right trafo, but one large one would be both lighter and cheaper (new) than, say 4 small ones. An argument to use multiple would potentially be that peaks on individual channels might have less impact on the other channels. Still working on it … """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698251086 {#4344 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Fermiverse@feddit.de" ] +children: Doctrine\ORM\PersistentCollection {#4347 …} +nested: Doctrine\ORM\PersistentCollection {#4349 …} +votes: Doctrine\ORM\PersistentCollection {#4351 …} +reports: Doctrine\ORM\PersistentCollection {#4353 …} +favourites: Doctrine\ORM\PersistentCollection {#4355 …} +notifications: Doctrine\ORM\PersistentCollection {#4357 …} -id: 71457 -bodyTs: "'4':35 '8':7 'amplifi':10 'argument':39 'box':13 'channel':8,50,58 'cheaper':31 'idea':2 'impact':54 'individu':49 'larg':24 'less':53 'lighter':29 'might':51 'multipl':42 'new':32 'one':12,23,25,37 'peak':47 'potenti':44 'power':9 'right':20 'say':34 'small':36 'sourc':18 'still':15,59 'trafo':21 'use':41 'work':60 'would':26,43" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4270362" +editedAt: null +createdAt: DateTimeImmutable @1698251086 {#4345 : 2023-10-25 18:24:46.0 +02:00 } } ] |
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valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: 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The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 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Doctrine\ORM\PersistentCollection {#4058 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4056 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4054 …} +entries: Doctrine\ORM\PersistentCollection {#4052 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4050 …} +entryComments: Doctrine\ORM\PersistentCollection {#4109 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4112 …} +posts: Doctrine\ORM\PersistentCollection {#4114 …} +postVotes: Doctrine\ORM\PersistentCollection {#4116 …} +postComments: Doctrine\ORM\PersistentCollection {#4118 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4120 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4122 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4124 …} +follows: Doctrine\ORM\PersistentCollection {#4126 …} +followers: Doctrine\ORM\PersistentCollection {#4128 …} +blocks: Doctrine\ORM\PersistentCollection {#4130 …} +blockers: Doctrine\ORM\PersistentCollection {#4132 …} 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+apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1707449953 {#4072 : 2024-02-09 04:39:13.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1696824182 {#4077 : 2023-10-09 06:03:02.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ When I look around then this amp, taking your statement with the rectifier, needs symetrical AC supply as an input.\n \n For a mono amp the transformer would be 120W / 2x25V per amp. You need more because of the loss the amp includes\n \n Depending on your setup and build maybe several transformers would be better. Or you add all up to 960W trafo. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698251086 {#4083 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4076 …} +nested: Doctrine\ORM\PersistentCollection {#4067 …} +votes: Doctrine\ORM\PersistentCollection {#4070 …} +reports: Doctrine\ORM\PersistentCollection {#4065 …} +favourites: Doctrine\ORM\PersistentCollection {#4063 …} +notifications: Doctrine\ORM\PersistentCollection {#4061 …} -id: 70534 -bodyTs: "'120w':29 '2x25v':30 '960w':61 'ac':16 'add':57 'amp':7,24,32,41 'around':4 'better':54 'build':48 'depend':43 'includ':42 'input':20 'look':3 'loss':39 'mayb':49 'mono':23 'need':14,34 'per':31 'rectifi':13 'setup':46 'sever':50 'statement':10 'suppli':17 'symetr':15 'take':8 'trafo':62 'transform':26,51 'would':27,52" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://feddit.de/comment/4208068" +editedAt: DateTimeImmutable @1698217962 {#4081 : 2023-10-25 09:12:42.0 +02:00 } +createdAt: DateTimeImmutable @1698217900 {#4082 : 2023-10-25 09:11:40.0 +02:00 } } +root: App\Entity\EntryComment {#4075} +body: """ The idea is to have an 8-channel power amplifier in one box …\n \n I still have to source the right trafo, but one large one would be both lighter and cheaper (new) than, say 4 small ones. An argument to use multiple would potentially be that peaks on individual channels might have less impact on the other channels. Still working on it … """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698251086 {#4344 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Fermiverse@feddit.de" ] +children: Doctrine\ORM\PersistentCollection {#4347 …} +nested: Doctrine\ORM\PersistentCollection {#4349 …} +votes: Doctrine\ORM\PersistentCollection {#4351 …} +reports: Doctrine\ORM\PersistentCollection {#4353 …} +favourites: Doctrine\ORM\PersistentCollection {#4355 …} +notifications: Doctrine\ORM\PersistentCollection {#4357 …} -id: 71457 -bodyTs: "'4':35 '8':7 'amplifi':10 'argument':39 'box':13 'channel':8,50,58 'cheaper':31 'idea':2 'impact':54 'individu':49 'larg':24 'less':53 'lighter':29 'might':51 'multipl':42 'new':32 'one':12,23,25,37 'peak':47 'potenti':44 'power':9 'right':20 'say':34 'small':36 'sourc':18 'still':15,59 'trafo':21 'use':41 'work':60 'would':26,43" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4270362" +editedAt: null +createdAt: DateTimeImmutable @1698251086 {#4345 : 2023-10-25 18:24:46.0 +02:00 } } -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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+apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 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+apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1707449953 {#4072 : 2024-02-09 04:39:13.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1696824182 {#4077 : 2023-10-09 06:03:02.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ When I look around then this amp, taking your statement with the rectifier, needs symetrical AC supply as an input.\n \n For a mono amp the transformer would be 120W / 2x25V per amp. You need more because of the loss the amp includes\n \n Depending on your setup and build maybe several transformers would be better. Or you add all up to 960W trafo. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698251086 {#4083 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4076 …} +nested: Doctrine\ORM\PersistentCollection {#4067 …} +votes: Doctrine\ORM\PersistentCollection {#4070 …} +reports: Doctrine\ORM\PersistentCollection {#4065 …} +favourites: Doctrine\ORM\PersistentCollection {#4063 …} +notifications: Doctrine\ORM\PersistentCollection {#4061 …} -id: 70534 -bodyTs: "'120w':29 '2x25v':30 '960w':61 'ac':16 'add':57 'amp':7,24,32,41 'around':4 'better':54 'build':48 'depend':43 'includ':42 'input':20 'look':3 'loss':39 'mayb':49 'mono':23 'need':14,34 'per':31 'rectifi':13 'setup':46 'sever':50 'statement':10 'suppli':17 'symetr':15 'take':8 'trafo':62 'transform':26,51 'would':27,52" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://feddit.de/comment/4208068" +editedAt: DateTimeImmutable @1698217962 {#4081 : 2023-10-25 09:12:42.0 +02:00 } +createdAt: DateTimeImmutable @1698217900 {#4082 : 2023-10-25 09:11:40.0 +02:00 } } +root: App\Entity\EntryComment {#4075} +body: """ The idea is to have an 8-channel power amplifier in one box …\n \n I still have to source the right trafo, but one large one would be both lighter and cheaper (new) than, say 4 small ones. An argument to use multiple would potentially be that peaks on individual channels might have less impact on the other channels. Still working on it … """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698251086 {#4344 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Fermiverse@feddit.de" ] +children: Doctrine\ORM\PersistentCollection {#4347 …} +nested: Doctrine\ORM\PersistentCollection {#4349 …} +votes: Doctrine\ORM\PersistentCollection {#4351 …} +reports: Doctrine\ORM\PersistentCollection {#4353 …} +favourites: Doctrine\ORM\PersistentCollection {#4355 …} +notifications: Doctrine\ORM\PersistentCollection {#4357 …} -id: 71457 -bodyTs: "'4':35 '8':7 'amplifi':10 'argument':39 'box':13 'channel':8,50,58 'cheaper':31 'idea':2 'impact':54 'individu':49 'larg':24 'less':53 'lighter':29 'might':51 'multipl':42 'new':32 'one':12,23,25,37 'peak':47 'potenti':44 'power':9 'right':20 'say':34 'small':36 'sourc':18 'still':15,59 'trafo':21 'use':41 'work':60 'would':26,43" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4270362" +editedAt: null +createdAt: DateTimeImmutable @1698251086 {#4345 : 2023-10-25 18:24:46.0 +02:00 } } "level" => 2 "showNested" => true "view" => "tree" ] |
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"https://discuss.tchncs.de/u/megrania" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "megrania" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1708852828 {#1536 : 2024-02-25 10:20:28.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1698215468 {#1516 : 2023-10-25 08:31:08.0 +02:00 } +__isInitialized__: true …2 } +entry: App\Entity\Entry {#2419 +user: Proxies\__CG__\App\Entity\User {#1970 …2} +magazine: App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: App\Entity\EntryComment {#4075 +user: App\Entity\User 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Doctrine\ORM\PersistentCollection {#4058 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4056 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4054 …} +entries: Doctrine\ORM\PersistentCollection {#4052 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4050 …} +entryComments: Doctrine\ORM\PersistentCollection {#4109 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4112 …} +posts: Doctrine\ORM\PersistentCollection {#4114 …} +postVotes: Doctrine\ORM\PersistentCollection {#4116 …} +postComments: Doctrine\ORM\PersistentCollection {#4118 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4120 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4122 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4124 …} +follows: Doctrine\ORM\PersistentCollection {#4126 …} +followers: Doctrine\ORM\PersistentCollection {#4128 …} +blocks: Doctrine\ORM\PersistentCollection {#4130 …} +blockers: Doctrine\ORM\PersistentCollection {#4132 …} 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+apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1707449953 {#4072 : 2024-02-09 04:39:13.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1696824182 {#4077 : 2023-10-09 06:03:02.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ When I look around then this amp, taking your statement with the rectifier, needs symetrical AC supply as an input.\n \n For a mono amp the transformer would be 120W / 2x25V per amp. You need more because of the loss the amp includes\n \n Depending on your setup and build maybe several transformers would be better. Or you add all up to 960W trafo. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698251086 {#4083 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4076 …} +nested: Doctrine\ORM\PersistentCollection {#4067 …} +votes: Doctrine\ORM\PersistentCollection {#4070 …} +reports: Doctrine\ORM\PersistentCollection {#4065 …} +favourites: Doctrine\ORM\PersistentCollection {#4063 …} +notifications: Doctrine\ORM\PersistentCollection {#4061 …} -id: 70534 -bodyTs: "'120w':29 '2x25v':30 '960w':61 'ac':16 'add':57 'amp':7,24,32,41 'around':4 'better':54 'build':48 'depend':43 'includ':42 'input':20 'look':3 'loss':39 'mayb':49 'mono':23 'need':14,34 'per':31 'rectifi':13 'setup':46 'sever':50 'statement':10 'suppli':17 'symetr':15 'take':8 'trafo':62 'transform':26,51 'would':27,52" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://feddit.de/comment/4208068" +editedAt: DateTimeImmutable @1698217962 {#4081 : 2023-10-25 09:12:42.0 +02:00 } +createdAt: DateTimeImmutable @1698217900 {#4082 : 2023-10-25 09:11:40.0 +02:00 } } +root: App\Entity\EntryComment {#4075} +body: """ The idea is to have an 8-channel power amplifier in one box …\n \n I still have to source the right trafo, but one large one would be both lighter and cheaper (new) than, say 4 small ones. An argument to use multiple would potentially be that peaks on individual channels might have less impact on the other channels. Still working on it … """ +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698251086 {#4344 : 2023-10-25 18:24:46.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Fermiverse@feddit.de" ] +children: Doctrine\ORM\PersistentCollection {#4347 …} +nested: Doctrine\ORM\PersistentCollection {#4349 …} +votes: Doctrine\ORM\PersistentCollection {#4351 …} +reports: Doctrine\ORM\PersistentCollection {#4353 …} +favourites: Doctrine\ORM\PersistentCollection {#4355 …} +notifications: Doctrine\ORM\PersistentCollection {#4357 …} -id: 71457 -bodyTs: "'4':35 '8':7 'amplifi':10 'argument':39 'box':13 'channel':8,50,58 'cheaper':31 'idea':2 'impact':54 'individu':49 'larg':24 'less':53 'lighter':29 'might':51 'multipl':42 'new':32 'one':12,23,25,37 'peak':47 'potenti':44 'power':9 'right':20 'say':34 'small':36 'sourc':18 'still':15,59 'trafo':21 'use':41 'work':60 'would':26,43" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4270362" +editedAt: null +createdAt: DateTimeImmutable @1698251086 {#4345 : 2023-10-25 18:24:46.0 +02:00 } } +nestedComments: [] +level: 2 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#556 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
entry_comment | App\Twig\Components\EntryCommentComponent | 16.0 MiB | 57.11 ms | |
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App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: 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2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ There will be loss in the process so you should go a little above. You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. 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@1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ There will be loss in the process so you should go a little above. You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. 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user_inline | App\Twig\Components\UserInlineComponent | 16.0 MiB | 0.14 ms | |
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Component | App\Twig\Components\UserInlineComponent {#6429 +user: App\Entity\User {#4172 +avatar: Proxies\__CG__\App\Entity\Image {#4173 …} +cover: null +email: "Max_P@lemmy.max-p.me" +username: "@Max_P@lemmy.max-p.me" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Just some Internet guy\n \n He/him/them 🏳️\u{200D}🌈\n \n - IRC: Max-P on [libera.chat](https://libera.chat)\n - Matrix: [@max-p:max-p.me](https://matrix.to/#/@max-p:max-p.me) """ +lastActive: DateTime @1729541931 {#4156 : 2024-10-21 22:18:51.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4174 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4176 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4178 …} +entries: Doctrine\ORM\PersistentCollection {#4180 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4182 …} +entryComments: Doctrine\ORM\PersistentCollection {#4184 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4186 …} +posts: Doctrine\ORM\PersistentCollection {#4188 …} +postVotes: Doctrine\ORM\PersistentCollection {#4190 …} +postComments: Doctrine\ORM\PersistentCollection {#4192 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4194 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4196 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4198 …} +follows: Doctrine\ORM\PersistentCollection {#4200 …} +followers: Doctrine\ORM\PersistentCollection {#4202 …} +blocks: Doctrine\ORM\PersistentCollection {#4204 …} +blockers: Doctrine\ORM\PersistentCollection {#4206 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4208 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4210 …} +reports: Doctrine\ORM\PersistentCollection {#4212 …} +favourites: Doctrine\ORM\PersistentCollection {#4214 …} +violations: Doctrine\ORM\PersistentCollection {#4216 …} +notifications: Doctrine\ORM\PersistentCollection {#4218 …} +awards: Doctrine\ORM\PersistentCollection {#4220 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4222 …} +categories: Doctrine\ORM\PersistentCollection {#4224 …} -id: 24483 -password: "$2y$13$7zj3YoHkhAJUBzMe/Q7CzOItDCm4yjRilpVzP60X3ffVQ4.F5115O" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4226 …} +apId: "Max_P@lemmy.max-p.me" +apProfileId: "https://lemmy.max-p.me/u/Max_P" +apPublicUrl: "https://lemmy.max-p.me/u/Max_P" +apFollowersUrl: null +apInboxUrl: "https://lemmy.max-p.me/inbox" +apDomain: "lemmy.max-p.me" +apPreferredUsername: "Max_P" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727615060 {#4157 : 2024-09-29 15:04:20.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689139864 {#4158 : 2023-07-12 07:31:04.0 +02:00 } } +showAvatar: false } |
date | App\Twig\Components\DateComponent | 16.0 MiB | 0.14 ms | |
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Input props | [ "date" => DateTimeImmutable @1698215989 {#4155 : 2023-10-25 08:39:49.0 +02:00 } ] |
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Attributes | [] |
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Component | App\Twig\Components\DateComponent {#6484 +date: DateTimeImmutable @1698215989 {#4155 : 2023-10-25 08:39:49.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 16.0 MiB | 0.09 ms | |
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Input props | [ "createdAt" => DateTimeImmutable @1698215989 {#4155 : 2023-10-25 08:39:49.0 +02:00 } "editedAt" => null ] |
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Component | App\Twig\Components\DateEditedComponent {#6538 +createdAt: DateTimeImmutable @1698215989 {#4155 : 2023-10-25 08:39:49.0 +02:00 } +editedAt: null } |
user_avatar | App\Twig\Components\UserAvatarComponent | 16.0 MiB | 4.95 ms | |
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Component | App\Twig\Components\UserAvatarComponent {#6592 +width: 40 +height: 40 +user: App\Entity\User {#4172 +avatar: Proxies\__CG__\App\Entity\Image {#4173 …} +cover: null +email: "Max_P@lemmy.max-p.me" +username: "@Max_P@lemmy.max-p.me" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Just some Internet guy\n \n He/him/them 🏳️\u{200D}🌈\n \n - IRC: Max-P on [libera.chat](https://libera.chat)\n - Matrix: [@max-p:max-p.me](https://matrix.to/#/@max-p:max-p.me) """ +lastActive: DateTime @1729541931 {#4156 : 2024-10-21 22:18:51.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4174 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4176 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4178 …} +entries: Doctrine\ORM\PersistentCollection {#4180 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4182 …} +entryComments: Doctrine\ORM\PersistentCollection {#4184 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4186 …} +posts: Doctrine\ORM\PersistentCollection {#4188 …} +postVotes: Doctrine\ORM\PersistentCollection {#4190 …} +postComments: Doctrine\ORM\PersistentCollection {#4192 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4194 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4196 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4198 …} +follows: Doctrine\ORM\PersistentCollection {#4200 …} +followers: Doctrine\ORM\PersistentCollection {#4202 …} +blocks: Doctrine\ORM\PersistentCollection {#4204 …} +blockers: Doctrine\ORM\PersistentCollection {#4206 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4208 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4210 …} +reports: Doctrine\ORM\PersistentCollection {#4212 …} +favourites: Doctrine\ORM\PersistentCollection {#4214 …} +violations: Doctrine\ORM\PersistentCollection {#4216 …} +notifications: Doctrine\ORM\PersistentCollection {#4218 …} +awards: Doctrine\ORM\PersistentCollection {#4220 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4222 …} +categories: Doctrine\ORM\PersistentCollection {#4224 …} -id: 24483 -password: "$2y$13$7zj3YoHkhAJUBzMe/Q7CzOItDCm4yjRilpVzP60X3ffVQ4.F5115O" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4226 …} +apId: "Max_P@lemmy.max-p.me" +apProfileId: "https://lemmy.max-p.me/u/Max_P" +apPublicUrl: "https://lemmy.max-p.me/u/Max_P" +apFollowersUrl: null +apInboxUrl: "https://lemmy.max-p.me/inbox" +apDomain: "lemmy.max-p.me" +apPreferredUsername: "Max_P" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727615060 {#4157 : 2024-09-29 15:04:20.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689139864 {#4158 : 2023-07-12 07:31:04.0 +02:00 } } +asLink: true } |
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2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ There will be loss in the process so you should go a little above. You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. 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Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ There will be loss in the process so you should go a little above. You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. 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2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ There will be loss in the process so you should go a little above. You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. 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Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ There will be loss in the process so you should go a little above. You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. 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2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ There will be loss in the process so you should go a little above. You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. 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+createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ There will be loss in the process so you should go a little above. You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698217050 {#4154 : 2023-10-25 08:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4160 …} +nested: Doctrine\ORM\PersistentCollection {#4162 …} +votes: Doctrine\ORM\PersistentCollection {#4164 …} +reports: Doctrine\ORM\PersistentCollection {#4166 …} +favourites: Doctrine\ORM\PersistentCollection {#4168 …} +notifications: Doctrine\ORM\PersistentCollection {#4170 …} -id: 70502 -bodyTs: "'120':40 '12v':58 '20a':71 '80':33 '90':35 'absolut':135 'account':19 'adjust':77 'also':16 'amp':165 'amplifi':158 'batteri':95,108 'best':30 'cap':148 'case':43 'cc':64 'charg':96 'charger':109 'circuit':139,166 'come':112 'common':90 'constant':53 'could':160 'current':68 'curv':23 'cv':47 'dc':128,131 'doesn':149 'dynam':76 'effici':22,31 'follow':122 'give':129 'given':154 'go':11 'guess':101 'handl':39 'input':118 'less':89 'limit':67 'littl':13 'load':34,36 'loss':4 'lot':88 'match':82 'momentarili':41 'mosfet':169 'much':153 'need':17 'output':56,80 'overcurr':62 'part':162 'plug':104 'power':26,48,173 'presenc':143 'process':7 're':134 'recommend':124 'rectifi':146 'say':57,70,127 'spec':114 'spike':46 'standard':52 'suppli':27,49,65,174 'sure':136 'take':121 'target':84 'tell':151 'testing/troubleshooting':98 'trip':60 'unless':132 'use':93 'usual':92 'voltag':54,79 'would':66" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.max-p.me/comment/1280871" +editedAt: null +createdAt: DateTimeImmutable @1698215989 {#4155 : 2023-10-25 08:39:49.0 +02:00 } } +nestedComments: [ 70522 => App\Entity\EntryComment {#4313 +user: Proxies\__CG__\App\Entity\User {#1970 …2} +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: App\Entity\EntryComment {#4159} +root: App\Entity\EntryComment {#4159} +body: "Well, it says to use a toroidal transformer between 12V to 32V output, and looking at pictures of other people who bought it, it seems to work on AC directly, so I have high confidence that that’s what it is." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698217049 {#4312 : 2023-10-25 08:57:29.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Max_P@lemmy.max-p.me" ] +children: Doctrine\ORM\PersistentCollection {#4316 …} +nested: Doctrine\ORM\PersistentCollection {#4321 …} +votes: Doctrine\ORM\PersistentCollection {#4317 …} +reports: Doctrine\ORM\PersistentCollection {#4323 …} +favourites: Doctrine\ORM\PersistentCollection {#4325 …} +notifications: Doctrine\ORM\PersistentCollection {#4327 …} -id: 70522 -bodyTs: "'12v':10 '32v':12 'ac':29 'bought':22 'confid':35 'direct':30 'high':34 'look':15 'output':13 'peopl':20 'pictur':17 'say':3 'seem':25 'toroid':7 'transform':8 'use':5 'well':1 'work':27" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4259718" +editedAt: null +createdAt: DateTimeImmutable @1698217049 {#4309 : 2023-10-25 08:57:29.0 +02:00 } } ] +level: 1 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#556 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
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Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: App\Entity\EntryComment {#4159 +user: App\Entity\User {#4172 +avatar: Proxies\__CG__\App\Entity\Image {#4173 …} +cover: null +email: "Max_P@lemmy.max-p.me" +username: "@Max_P@lemmy.max-p.me" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Just some Internet guy\n \n He/him/them 🏳️\u{200D}🌈\n \n - 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You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698217050 {#4154 : 2023-10-25 08:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4160 …} +nested: Doctrine\ORM\PersistentCollection {#4162 …} +votes: Doctrine\ORM\PersistentCollection {#4164 …} +reports: Doctrine\ORM\PersistentCollection {#4166 …} +favourites: Doctrine\ORM\PersistentCollection {#4168 …} +notifications: Doctrine\ORM\PersistentCollection {#4170 …} -id: 70502 -bodyTs: "'120':40 '12v':58 '20a':71 '80':33 '90':35 'absolut':135 'account':19 'adjust':77 'also':16 'amp':165 'amplifi':158 'batteri':95,108 'best':30 'cap':148 'case':43 'cc':64 'charg':96 'charger':109 'circuit':139,166 'come':112 'common':90 'constant':53 'could':160 'current':68 'curv':23 'cv':47 'dc':128,131 'doesn':149 'dynam':76 'effici':22,31 'follow':122 'give':129 'given':154 'go':11 'guess':101 'handl':39 'input':118 'less':89 'limit':67 'littl':13 'load':34,36 'loss':4 'lot':88 'match':82 'momentarili':41 'mosfet':169 'much':153 'need':17 'output':56,80 'overcurr':62 'part':162 'plug':104 'power':26,48,173 'presenc':143 'process':7 're':134 'recommend':124 'rectifi':146 'say':57,70,127 'spec':114 'spike':46 'standard':52 'suppli':27,49,65,174 'sure':136 'take':121 'target':84 'tell':151 'testing/troubleshooting':98 'trip':60 'unless':132 'use':93 'usual':92 'voltag':54,79 'would':66" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.max-p.me/comment/1280871" +editedAt: null +createdAt: DateTimeImmutable @1698215989 {#4155 : 2023-10-25 08:39:49.0 +02:00 } } +root: App\Entity\EntryComment {#4159} +body: "Well, it says to use a toroidal transformer between 12V to 32V output, and looking at pictures of other people who bought it, it seems to work on AC directly, so I have high confidence that that’s what it is." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698217049 {#4312 : 2023-10-25 08:57:29.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Max_P@lemmy.max-p.me" ] +children: Doctrine\ORM\PersistentCollection {#4316 …} +nested: Doctrine\ORM\PersistentCollection {#4321 …} +votes: Doctrine\ORM\PersistentCollection {#4317 …} +reports: Doctrine\ORM\PersistentCollection {#4323 …} +favourites: Doctrine\ORM\PersistentCollection {#4325 …} +notifications: Doctrine\ORM\PersistentCollection {#4327 …} -id: 70522 -bodyTs: "'12v':10 '32v':12 'ac':29 'bought':22 'confid':35 'direct':30 'high':34 'look':15 'output':13 'peopl':20 'pictur':17 'say':3 'seem':25 'toroid':7 'transform':8 'use':5 'well':1 'work':27" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4259718" +editedAt: null +createdAt: DateTimeImmutable @1698217049 {#4309 : 2023-10-25 08:57:29.0 +02:00 } } "showNested" => true "level" => 2 "showEntryTitle" => false "showMagazineName" => false ] |
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The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: App\Entity\EntryComment {#4159 +user: App\Entity\User {#4172 +avatar: Proxies\__CG__\App\Entity\Image {#4173 …} +cover: null +email: "Max_P@lemmy.max-p.me" +username: "@Max_P@lemmy.max-p.me" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Just some Internet guy\n \n He/him/them 🏳️\u{200D}🌈\n \n - IRC: Max-P on [libera.chat](https://libera.chat)\n - Matrix: [@max-p:max-p.me](https://matrix.to/#/@max-p:max-p.me) """ +lastActive: DateTime @1729541931 {#4156 : 2024-10-21 22:18:51.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4174 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4176 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4178 …} +entries: Doctrine\ORM\PersistentCollection {#4180 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4182 …} +entryComments: Doctrine\ORM\PersistentCollection {#4184 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4186 …} +posts: Doctrine\ORM\PersistentCollection {#4188 …} +postVotes: Doctrine\ORM\PersistentCollection {#4190 …} +postComments: Doctrine\ORM\PersistentCollection {#4192 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4194 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4196 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4198 …} +follows: Doctrine\ORM\PersistentCollection {#4200 …} +followers: Doctrine\ORM\PersistentCollection {#4202 …} +blocks: Doctrine\ORM\PersistentCollection {#4204 …} +blockers: Doctrine\ORM\PersistentCollection {#4206 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4208 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4210 …} +reports: Doctrine\ORM\PersistentCollection {#4212 …} +favourites: Doctrine\ORM\PersistentCollection {#4214 …} +violations: Doctrine\ORM\PersistentCollection {#4216 …} +notifications: Doctrine\ORM\PersistentCollection {#4218 …} +awards: Doctrine\ORM\PersistentCollection {#4220 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4222 …} +categories: Doctrine\ORM\PersistentCollection {#4224 …} -id: 24483 -password: "$2y$13$7zj3YoHkhAJUBzMe/Q7CzOItDCm4yjRilpVzP60X3ffVQ4.F5115O" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4226 …} +apId: "Max_P@lemmy.max-p.me" +apProfileId: "https://lemmy.max-p.me/u/Max_P" +apPublicUrl: "https://lemmy.max-p.me/u/Max_P" +apFollowersUrl: null +apInboxUrl: "https://lemmy.max-p.me/inbox" +apDomain: "lemmy.max-p.me" +apPreferredUsername: "Max_P" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727615060 {#4157 : 2024-09-29 15:04:20.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689139864 {#4158 : 2023-07-12 07:31:04.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ There will be loss in the process so you should go a little above. You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698217050 {#4154 : 2023-10-25 08:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4160 …} +nested: Doctrine\ORM\PersistentCollection {#4162 …} +votes: Doctrine\ORM\PersistentCollection {#4164 …} +reports: Doctrine\ORM\PersistentCollection {#4166 …} +favourites: Doctrine\ORM\PersistentCollection {#4168 …} +notifications: Doctrine\ORM\PersistentCollection {#4170 …} -id: 70502 -bodyTs: "'120':40 '12v':58 '20a':71 '80':33 '90':35 'absolut':135 'account':19 'adjust':77 'also':16 'amp':165 'amplifi':158 'batteri':95,108 'best':30 'cap':148 'case':43 'cc':64 'charg':96 'charger':109 'circuit':139,166 'come':112 'common':90 'constant':53 'could':160 'current':68 'curv':23 'cv':47 'dc':128,131 'doesn':149 'dynam':76 'effici':22,31 'follow':122 'give':129 'given':154 'go':11 'guess':101 'handl':39 'input':118 'less':89 'limit':67 'littl':13 'load':34,36 'loss':4 'lot':88 'match':82 'momentarili':41 'mosfet':169 'much':153 'need':17 'output':56,80 'overcurr':62 'part':162 'plug':104 'power':26,48,173 'presenc':143 'process':7 're':134 'recommend':124 'rectifi':146 'say':57,70,127 'spec':114 'spike':46 'standard':52 'suppli':27,49,65,174 'sure':136 'take':121 'target':84 'tell':151 'testing/troubleshooting':98 'trip':60 'unless':132 'use':93 'usual':92 'voltag':54,79 'would':66" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.max-p.me/comment/1280871" +editedAt: null +createdAt: DateTimeImmutable @1698215989 {#4155 : 2023-10-25 08:39:49.0 +02:00 } } +root: App\Entity\EntryComment {#4159} +body: "Well, it says to use a toroidal transformer between 12V to 32V output, and looking at pictures of other people who bought it, it seems to work on AC directly, so I have high confidence that that’s what it is." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698217049 {#4312 : 2023-10-25 08:57:29.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Max_P@lemmy.max-p.me" ] +children: Doctrine\ORM\PersistentCollection {#4316 …} +nested: Doctrine\ORM\PersistentCollection {#4321 …} +votes: Doctrine\ORM\PersistentCollection {#4317 …} +reports: Doctrine\ORM\PersistentCollection {#4323 …} +favourites: Doctrine\ORM\PersistentCollection {#4325 …} +notifications: Doctrine\ORM\PersistentCollection {#4327 …} -id: 70522 -bodyTs: "'12v':10 '32v':12 'ac':29 'bought':22 'confid':35 'direct':30 'high':34 'look':15 'output':13 'peopl':20 'pictur':17 'say':3 'seem':25 'toroid':7 'transform':8 'use':5 'well':1 'work':27" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4259718" +editedAt: null +createdAt: DateTimeImmutable @1698217049 {#4309 : 2023-10-25 08:57:29.0 +02:00 } } +showMagazineName: false +showEntryTitle: false +showNested: true +level: 2 +canSeeTrash: false +dateAsUrl: false -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -authorizationChecker: Symfony\Component\Security\Core\Authorization\AuthorizationChecker {#931 …} } |
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Component | App\Twig\Components\DateComponent {#7128 +date: DateTimeImmutable @1698217049 {#4309 : 2023-10-25 08:57:29.0 +02:00 } } |
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Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: App\Entity\EntryComment {#4159 +user: App\Entity\User {#4172 +avatar: Proxies\__CG__\App\Entity\Image {#4173 …} +cover: null +email: "Max_P@lemmy.max-p.me" +username: "@Max_P@lemmy.max-p.me" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Just some Internet guy\n \n He/him/them 🏳️\u{200D}🌈\n \n - 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You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698217050 {#4154 : 2023-10-25 08:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4160 …} +nested: Doctrine\ORM\PersistentCollection {#4162 …} +votes: Doctrine\ORM\PersistentCollection {#4164 …} +reports: Doctrine\ORM\PersistentCollection {#4166 …} +favourites: Doctrine\ORM\PersistentCollection {#4168 …} +notifications: Doctrine\ORM\PersistentCollection {#4170 …} -id: 70502 -bodyTs: "'120':40 '12v':58 '20a':71 '80':33 '90':35 'absolut':135 'account':19 'adjust':77 'also':16 'amp':165 'amplifi':158 'batteri':95,108 'best':30 'cap':148 'case':43 'cc':64 'charg':96 'charger':109 'circuit':139,166 'come':112 'common':90 'constant':53 'could':160 'current':68 'curv':23 'cv':47 'dc':128,131 'doesn':149 'dynam':76 'effici':22,31 'follow':122 'give':129 'given':154 'go':11 'guess':101 'handl':39 'input':118 'less':89 'limit':67 'littl':13 'load':34,36 'loss':4 'lot':88 'match':82 'momentarili':41 'mosfet':169 'much':153 'need':17 'output':56,80 'overcurr':62 'part':162 'plug':104 'power':26,48,173 'presenc':143 'process':7 're':134 'recommend':124 'rectifi':146 'say':57,70,127 'spec':114 'spike':46 'standard':52 'suppli':27,49,65,174 'sure':136 'take':121 'target':84 'tell':151 'testing/troubleshooting':98 'trip':60 'unless':132 'use':93 'usual':92 'voltag':54,79 'would':66" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.max-p.me/comment/1280871" +editedAt: null +createdAt: DateTimeImmutable @1698215989 {#4155 : 2023-10-25 08:39:49.0 +02:00 } } +root: App\Entity\EntryComment {#4159} +body: "Well, it says to use a toroidal transformer between 12V to 32V output, and looking at pictures of other people who bought it, it seems to work on AC directly, so I have high confidence that that’s what it is." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698217049 {#4312 : 2023-10-25 08:57:29.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Max_P@lemmy.max-p.me" ] +children: Doctrine\ORM\PersistentCollection {#4316 …} +nested: Doctrine\ORM\PersistentCollection {#4321 …} +votes: Doctrine\ORM\PersistentCollection {#4317 …} +reports: Doctrine\ORM\PersistentCollection {#4323 …} +favourites: Doctrine\ORM\PersistentCollection {#4325 …} +notifications: Doctrine\ORM\PersistentCollection {#4327 …} -id: 70522 -bodyTs: "'12v':10 '32v':12 'ac':29 'bought':22 'confid':35 'direct':30 'high':34 'look':15 'output':13 'peopl':20 'pictur':17 'say':3 'seem':25 'toroid':7 'transform':8 'use':5 'well':1 'work':27" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4259718" +editedAt: null +createdAt: DateTimeImmutable @1698217049 {#4309 : 2023-10-25 08:57:29.0 +02:00 } } ] |
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Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: App\Entity\EntryComment {#4159 +user: App\Entity\User {#4172 +avatar: Proxies\__CG__\App\Entity\Image {#4173 …} +cover: null +email: "Max_P@lemmy.max-p.me" +username: "@Max_P@lemmy.max-p.me" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Just some Internet guy\n \n He/him/them 🏳️\u{200D}🌈\n \n - 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You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698217050 {#4154 : 2023-10-25 08:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4160 …} +nested: Doctrine\ORM\PersistentCollection {#4162 …} +votes: Doctrine\ORM\PersistentCollection {#4164 …} +reports: Doctrine\ORM\PersistentCollection {#4166 …} +favourites: Doctrine\ORM\PersistentCollection {#4168 …} +notifications: Doctrine\ORM\PersistentCollection {#4170 …} -id: 70502 -bodyTs: "'120':40 '12v':58 '20a':71 '80':33 '90':35 'absolut':135 'account':19 'adjust':77 'also':16 'amp':165 'amplifi':158 'batteri':95,108 'best':30 'cap':148 'case':43 'cc':64 'charg':96 'charger':109 'circuit':139,166 'come':112 'common':90 'constant':53 'could':160 'current':68 'curv':23 'cv':47 'dc':128,131 'doesn':149 'dynam':76 'effici':22,31 'follow':122 'give':129 'given':154 'go':11 'guess':101 'handl':39 'input':118 'less':89 'limit':67 'littl':13 'load':34,36 'loss':4 'lot':88 'match':82 'momentarili':41 'mosfet':169 'much':153 'need':17 'output':56,80 'overcurr':62 'part':162 'plug':104 'power':26,48,173 'presenc':143 'process':7 're':134 'recommend':124 'rectifi':146 'say':57,70,127 'spec':114 'spike':46 'standard':52 'suppli':27,49,65,174 'sure':136 'take':121 'target':84 'tell':151 'testing/troubleshooting':98 'trip':60 'unless':132 'use':93 'usual':92 'voltag':54,79 'would':66" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.max-p.me/comment/1280871" +editedAt: null +createdAt: DateTimeImmutable @1698215989 {#4155 : 2023-10-25 08:39:49.0 +02:00 } } +root: App\Entity\EntryComment {#4159} +body: "Well, it says to use a toroidal transformer between 12V to 32V output, and looking at pictures of other people who bought it, it seems to work on AC directly, so I have high confidence that that’s what it is." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698217049 {#4312 : 2023-10-25 08:57:29.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Max_P@lemmy.max-p.me" ] +children: Doctrine\ORM\PersistentCollection {#4316 …} +nested: Doctrine\ORM\PersistentCollection {#4321 …} +votes: Doctrine\ORM\PersistentCollection {#4317 …} +reports: Doctrine\ORM\PersistentCollection {#4323 …} +favourites: Doctrine\ORM\PersistentCollection {#4325 …} +notifications: Doctrine\ORM\PersistentCollection {#4327 …} -id: 70522 -bodyTs: "'12v':10 '32v':12 'ac':29 'bought':22 'confid':35 'direct':30 'high':34 'look':15 'output':13 'peopl':20 'pictur':17 'say':3 'seem':25 'toroid':7 'transform':8 'use':5 'well':1 'work':27" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4259718" +editedAt: null +createdAt: DateTimeImmutable @1698217049 {#4309 : 2023-10-25 08:57:29.0 +02:00 } } +formDest: "entry_comment" +showDownvote: true -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: App\Entity\EntryComment {#4159 +user: App\Entity\User {#4172 +avatar: Proxies\__CG__\App\Entity\Image {#4173 …} +cover: null +email: "Max_P@lemmy.max-p.me" +username: "@Max_P@lemmy.max-p.me" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Just some Internet guy\n \n He/him/them 🏳️\u{200D}🌈\n \n - IRC: Max-P on [libera.chat](https://libera.chat)\n - Matrix: [@max-p:max-p.me](https://matrix.to/#/@max-p:max-p.me) """ +lastActive: DateTime @1729541931 {#4156 : 2024-10-21 22:18:51.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4174 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4176 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4178 …} +entries: Doctrine\ORM\PersistentCollection {#4180 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4182 …} +entryComments: Doctrine\ORM\PersistentCollection {#4184 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4186 …} +posts: Doctrine\ORM\PersistentCollection {#4188 …} +postVotes: Doctrine\ORM\PersistentCollection {#4190 …} +postComments: Doctrine\ORM\PersistentCollection {#4192 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4194 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4196 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4198 …} +follows: Doctrine\ORM\PersistentCollection {#4200 …} +followers: Doctrine\ORM\PersistentCollection {#4202 …} +blocks: Doctrine\ORM\PersistentCollection {#4204 …} +blockers: Doctrine\ORM\PersistentCollection {#4206 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4208 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4210 …} +reports: Doctrine\ORM\PersistentCollection {#4212 …} +favourites: Doctrine\ORM\PersistentCollection {#4214 …} +violations: Doctrine\ORM\PersistentCollection {#4216 …} +notifications: Doctrine\ORM\PersistentCollection {#4218 …} +awards: Doctrine\ORM\PersistentCollection {#4220 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4222 …} +categories: Doctrine\ORM\PersistentCollection {#4224 …} -id: 24483 -password: "$2y$13$7zj3YoHkhAJUBzMe/Q7CzOItDCm4yjRilpVzP60X3ffVQ4.F5115O" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4226 …} +apId: "Max_P@lemmy.max-p.me" +apProfileId: "https://lemmy.max-p.me/u/Max_P" +apPublicUrl: "https://lemmy.max-p.me/u/Max_P" +apFollowersUrl: null +apInboxUrl: "https://lemmy.max-p.me/inbox" +apDomain: "lemmy.max-p.me" +apPreferredUsername: "Max_P" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727615060 {#4157 : 2024-09-29 15:04:20.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689139864 {#4158 : 2023-07-12 07:31:04.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ There will be loss in the process so you should go a little above. You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698217050 {#4154 : 2023-10-25 08:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4160 …} +nested: Doctrine\ORM\PersistentCollection {#4162 …} +votes: Doctrine\ORM\PersistentCollection {#4164 …} +reports: Doctrine\ORM\PersistentCollection {#4166 …} +favourites: Doctrine\ORM\PersistentCollection {#4168 …} +notifications: Doctrine\ORM\PersistentCollection {#4170 …} -id: 70502 -bodyTs: "'120':40 '12v':58 '20a':71 '80':33 '90':35 'absolut':135 'account':19 'adjust':77 'also':16 'amp':165 'amplifi':158 'batteri':95,108 'best':30 'cap':148 'case':43 'cc':64 'charg':96 'charger':109 'circuit':139,166 'come':112 'common':90 'constant':53 'could':160 'current':68 'curv':23 'cv':47 'dc':128,131 'doesn':149 'dynam':76 'effici':22,31 'follow':122 'give':129 'given':154 'go':11 'guess':101 'handl':39 'input':118 'less':89 'limit':67 'littl':13 'load':34,36 'loss':4 'lot':88 'match':82 'momentarili':41 'mosfet':169 'much':153 'need':17 'output':56,80 'overcurr':62 'part':162 'plug':104 'power':26,48,173 'presenc':143 'process':7 're':134 'recommend':124 'rectifi':146 'say':57,70,127 'spec':114 'spike':46 'standard':52 'suppli':27,49,65,174 'sure':136 'take':121 'target':84 'tell':151 'testing/troubleshooting':98 'trip':60 'unless':132 'use':93 'usual':92 'voltag':54,79 'would':66" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.max-p.me/comment/1280871" +editedAt: null +createdAt: DateTimeImmutable @1698215989 {#4155 : 2023-10-25 08:39:49.0 +02:00 } } +root: App\Entity\EntryComment {#4159} +body: "Well, it says to use a toroidal transformer between 12V to 32V output, and looking at pictures of other people who bought it, it seems to work on AC directly, so I have high confidence that that’s what it is." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698217049 {#4312 : 2023-10-25 08:57:29.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Max_P@lemmy.max-p.me" ] +children: Doctrine\ORM\PersistentCollection {#4316 …} +nested: Doctrine\ORM\PersistentCollection {#4321 …} +votes: Doctrine\ORM\PersistentCollection {#4317 …} +reports: Doctrine\ORM\PersistentCollection {#4323 …} +favourites: Doctrine\ORM\PersistentCollection {#4325 …} +notifications: Doctrine\ORM\PersistentCollection {#4327 …} -id: 70522 -bodyTs: "'12v':10 '32v':12 'ac':29 'bought':22 'confid':35 'direct':30 'high':34 'look':15 'output':13 'peopl':20 'pictur':17 'say':3 'seem':25 'toroid':7 'transform':8 'use':5 'well':1 'work':27" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4259718" +editedAt: null +createdAt: DateTimeImmutable @1698217049 {#4309 : 2023-10-25 08:57:29.0 +02:00 } } ] |
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valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: App\Entity\EntryComment {#4159 +user: App\Entity\User {#4172 +avatar: Proxies\__CG__\App\Entity\Image {#4173 …} +cover: null +email: "Max_P@lemmy.max-p.me" +username: "@Max_P@lemmy.max-p.me" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Just some Internet guy\n \n He/him/them 🏳️\u{200D}🌈\n \n - IRC: Max-P on [libera.chat](https://libera.chat)\n - Matrix: [@max-p:max-p.me](https://matrix.to/#/@max-p:max-p.me) """ +lastActive: DateTime @1729541931 {#4156 : 2024-10-21 22:18:51.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4174 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4176 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4178 …} +entries: Doctrine\ORM\PersistentCollection {#4180 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4182 …} +entryComments: Doctrine\ORM\PersistentCollection {#4184 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4186 …} +posts: Doctrine\ORM\PersistentCollection {#4188 …} +postVotes: Doctrine\ORM\PersistentCollection {#4190 …} +postComments: Doctrine\ORM\PersistentCollection {#4192 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4194 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4196 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4198 …} +follows: Doctrine\ORM\PersistentCollection {#4200 …} +followers: Doctrine\ORM\PersistentCollection {#4202 …} +blocks: Doctrine\ORM\PersistentCollection {#4204 …} +blockers: Doctrine\ORM\PersistentCollection {#4206 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4208 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4210 …} +reports: Doctrine\ORM\PersistentCollection {#4212 …} +favourites: Doctrine\ORM\PersistentCollection {#4214 …} +violations: Doctrine\ORM\PersistentCollection {#4216 …} +notifications: Doctrine\ORM\PersistentCollection {#4218 …} +awards: Doctrine\ORM\PersistentCollection {#4220 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4222 …} +categories: Doctrine\ORM\PersistentCollection {#4224 …} -id: 24483 -password: "$2y$13$7zj3YoHkhAJUBzMe/Q7CzOItDCm4yjRilpVzP60X3ffVQ4.F5115O" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4226 …} +apId: "Max_P@lemmy.max-p.me" +apProfileId: "https://lemmy.max-p.me/u/Max_P" +apPublicUrl: "https://lemmy.max-p.me/u/Max_P" +apFollowersUrl: null +apInboxUrl: "https://lemmy.max-p.me/inbox" +apDomain: "lemmy.max-p.me" +apPreferredUsername: "Max_P" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727615060 {#4157 : 2024-09-29 15:04:20.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689139864 {#4158 : 2023-07-12 07:31:04.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ There will be loss in the process so you should go a little above. You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698217050 {#4154 : 2023-10-25 08:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4160 …} +nested: Doctrine\ORM\PersistentCollection {#4162 …} +votes: Doctrine\ORM\PersistentCollection {#4164 …} +reports: Doctrine\ORM\PersistentCollection {#4166 …} +favourites: Doctrine\ORM\PersistentCollection {#4168 …} +notifications: Doctrine\ORM\PersistentCollection {#4170 …} -id: 70502 -bodyTs: "'120':40 '12v':58 '20a':71 '80':33 '90':35 'absolut':135 'account':19 'adjust':77 'also':16 'amp':165 'amplifi':158 'batteri':95,108 'best':30 'cap':148 'case':43 'cc':64 'charg':96 'charger':109 'circuit':139,166 'come':112 'common':90 'constant':53 'could':160 'current':68 'curv':23 'cv':47 'dc':128,131 'doesn':149 'dynam':76 'effici':22,31 'follow':122 'give':129 'given':154 'go':11 'guess':101 'handl':39 'input':118 'less':89 'limit':67 'littl':13 'load':34,36 'loss':4 'lot':88 'match':82 'momentarili':41 'mosfet':169 'much':153 'need':17 'output':56,80 'overcurr':62 'part':162 'plug':104 'power':26,48,173 'presenc':143 'process':7 're':134 'recommend':124 'rectifi':146 'say':57,70,127 'spec':114 'spike':46 'standard':52 'suppli':27,49,65,174 'sure':136 'take':121 'target':84 'tell':151 'testing/troubleshooting':98 'trip':60 'unless':132 'use':93 'usual':92 'voltag':54,79 'would':66" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.max-p.me/comment/1280871" +editedAt: null +createdAt: DateTimeImmutable @1698215989 {#4155 : 2023-10-25 08:39:49.0 +02:00 } } +root: App\Entity\EntryComment {#4159} +body: "Well, it says to use a toroidal transformer between 12V to 32V output, and looking at pictures of other people who bought it, it seems to work on AC directly, so I have high confidence that that’s what it is." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698217049 {#4312 : 2023-10-25 08:57:29.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Max_P@lemmy.max-p.me" ] +children: Doctrine\ORM\PersistentCollection {#4316 …} +nested: Doctrine\ORM\PersistentCollection {#4321 …} +votes: Doctrine\ORM\PersistentCollection {#4317 …} +reports: Doctrine\ORM\PersistentCollection {#4323 …} +favourites: Doctrine\ORM\PersistentCollection {#4325 …} +notifications: Doctrine\ORM\PersistentCollection {#4327 …} -id: 70522 -bodyTs: "'12v':10 '32v':12 'ac':29 'bought':22 'confid':35 'direct':30 'high':34 'look':15 'output':13 'peopl':20 'pictur':17 'say':3 'seem':25 'toroid':7 'transform':8 'use':5 'well':1 'work':27" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4259718" +editedAt: null +createdAt: DateTimeImmutable @1698217049 {#4309 : 2023-10-25 08:57:29.0 +02:00 } } -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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+apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: App\Entity\EntryComment {#4159 +user: App\Entity\User {#4172 +avatar: Proxies\__CG__\App\Entity\Image {#4173 …} +cover: null +email: "Max_P@lemmy.max-p.me" +username: "@Max_P@lemmy.max-p.me" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Just some Internet guy\n \n He/him/them 🏳️\u{200D}🌈\n \n - IRC: Max-P on [libera.chat](https://libera.chat)\n - Matrix: [@max-p:max-p.me](https://matrix.to/#/@max-p:max-p.me) """ +lastActive: DateTime @1729541931 {#4156 : 2024-10-21 22:18:51.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4174 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4176 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4178 …} +entries: Doctrine\ORM\PersistentCollection {#4180 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4182 …} +entryComments: Doctrine\ORM\PersistentCollection {#4184 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4186 …} +posts: Doctrine\ORM\PersistentCollection {#4188 …} +postVotes: Doctrine\ORM\PersistentCollection {#4190 …} +postComments: Doctrine\ORM\PersistentCollection {#4192 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4194 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4196 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4198 …} +follows: Doctrine\ORM\PersistentCollection {#4200 …} +followers: Doctrine\ORM\PersistentCollection {#4202 …} +blocks: Doctrine\ORM\PersistentCollection {#4204 …} +blockers: Doctrine\ORM\PersistentCollection {#4206 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4208 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4210 …} +reports: Doctrine\ORM\PersistentCollection {#4212 …} +favourites: Doctrine\ORM\PersistentCollection {#4214 …} +violations: Doctrine\ORM\PersistentCollection {#4216 …} +notifications: Doctrine\ORM\PersistentCollection {#4218 …} +awards: Doctrine\ORM\PersistentCollection {#4220 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4222 …} +categories: Doctrine\ORM\PersistentCollection {#4224 …} -id: 24483 -password: "$2y$13$7zj3YoHkhAJUBzMe/Q7CzOItDCm4yjRilpVzP60X3ffVQ4.F5115O" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4226 …} +apId: "Max_P@lemmy.max-p.me" +apProfileId: "https://lemmy.max-p.me/u/Max_P" +apPublicUrl: "https://lemmy.max-p.me/u/Max_P" +apFollowersUrl: null +apInboxUrl: "https://lemmy.max-p.me/inbox" +apDomain: "lemmy.max-p.me" +apPreferredUsername: "Max_P" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727615060 {#4157 : 2024-09-29 15:04:20.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689139864 {#4158 : 2023-07-12 07:31:04.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ There will be loss in the process so you should go a little above. You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698217050 {#4154 : 2023-10-25 08:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4160 …} +nested: Doctrine\ORM\PersistentCollection {#4162 …} +votes: Doctrine\ORM\PersistentCollection {#4164 …} +reports: Doctrine\ORM\PersistentCollection {#4166 …} +favourites: Doctrine\ORM\PersistentCollection {#4168 …} +notifications: Doctrine\ORM\PersistentCollection {#4170 …} -id: 70502 -bodyTs: "'120':40 '12v':58 '20a':71 '80':33 '90':35 'absolut':135 'account':19 'adjust':77 'also':16 'amp':165 'amplifi':158 'batteri':95,108 'best':30 'cap':148 'case':43 'cc':64 'charg':96 'charger':109 'circuit':139,166 'come':112 'common':90 'constant':53 'could':160 'current':68 'curv':23 'cv':47 'dc':128,131 'doesn':149 'dynam':76 'effici':22,31 'follow':122 'give':129 'given':154 'go':11 'guess':101 'handl':39 'input':118 'less':89 'limit':67 'littl':13 'load':34,36 'loss':4 'lot':88 'match':82 'momentarili':41 'mosfet':169 'much':153 'need':17 'output':56,80 'overcurr':62 'part':162 'plug':104 'power':26,48,173 'presenc':143 'process':7 're':134 'recommend':124 'rectifi':146 'say':57,70,127 'spec':114 'spike':46 'standard':52 'suppli':27,49,65,174 'sure':136 'take':121 'target':84 'tell':151 'testing/troubleshooting':98 'trip':60 'unless':132 'use':93 'usual':92 'voltag':54,79 'would':66" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.max-p.me/comment/1280871" +editedAt: null +createdAt: DateTimeImmutable @1698215989 {#4155 : 2023-10-25 08:39:49.0 +02:00 } } +root: App\Entity\EntryComment {#4159} +body: "Well, it says to use a toroidal transformer between 12V to 32V output, and looking at pictures of other people who bought it, it seems to work on AC directly, so I have high confidence that that’s what it is." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698217049 {#4312 : 2023-10-25 08:57:29.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Max_P@lemmy.max-p.me" ] +children: Doctrine\ORM\PersistentCollection {#4316 …} +nested: Doctrine\ORM\PersistentCollection {#4321 …} +votes: Doctrine\ORM\PersistentCollection {#4317 …} +reports: Doctrine\ORM\PersistentCollection {#4323 …} +favourites: Doctrine\ORM\PersistentCollection {#4325 …} +notifications: Doctrine\ORM\PersistentCollection {#4327 …} -id: 70522 -bodyTs: "'12v':10 '32v':12 'ac':29 'bought':22 'confid':35 'direct':30 'high':34 'look':15 'output':13 'peopl':20 'pictur':17 'say':3 'seem':25 'toroid':7 'transform':8 'use':5 'well':1 'work':27" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4259718" +editedAt: null +createdAt: DateTimeImmutable @1698217049 {#4309 : 2023-10-25 08:57:29.0 +02:00 } } "level" => 2 "showNested" => true "view" => "tree" ] |
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Component | App\Twig\Components\EntryCommentsNestedComponent {#7602 +comment: App\Entity\EntryComment {#4313 +user: Proxies\__CG__\App\Entity\User {#1970 +avatar: null +cover: null +email: "megrania@discuss.tchncs.de" +username: "@megrania@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1703804620 {#1518 : 2023-12-29 00:03:40.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true 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"https://discuss.tchncs.de/u/megrania" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "megrania" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1708852828 {#1536 : 2024-02-25 10:20:28.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1698215468 {#1516 : 2023-10-25 08:31:08.0 +02:00 } +__isInitialized__: true …2 } +entry: App\Entity\Entry {#2419 +user: Proxies\__CG__\App\Entity\User {#1970 …2} +magazine: App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: App\Entity\EntryComment {#4159 +user: App\Entity\User {#4172 +avatar: Proxies\__CG__\App\Entity\Image {#4173 …} +cover: null +email: "Max_P@lemmy.max-p.me" +username: "@Max_P@lemmy.max-p.me" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Just some Internet guy\n \n He/him/them 🏳️\u{200D}🌈\n \n - 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You also need to account for the efficiency curve of your power supply: is it best efficient at 80% load? 90% load? Can it handle 120% momentarily in case of a spike?\n \n CV power supplies are the standard: constant voltage. It outputs say 12V, and trips when overcurrent. A CC supply would limit current to say, 20A. It does so by dynamically adjusting the voltage output to match that target. That’s a lot less common and usually used for battery charging or testing/troubleshooting. So, I guess, don’t plug it on a battery charger.\n \n It should come with specs as to what input it can take. Follow the recommendations. If it says DC give it DC unless you’re absolutely sure of the circuit in there. The presence of a rectifier and caps doesn’t tell you much given it’s an amplifier, it could be part of the amp circuit for the MOSFETs and not its power supply. """ +lang: "en" +isAdult: false +favouriteCount: 2 +score: 0 +lastActive: DateTime @1698217050 {#4154 : 2023-10-25 08:57:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4160 …} +nested: Doctrine\ORM\PersistentCollection {#4162 …} +votes: Doctrine\ORM\PersistentCollection {#4164 …} +reports: Doctrine\ORM\PersistentCollection {#4166 …} +favourites: Doctrine\ORM\PersistentCollection {#4168 …} +notifications: Doctrine\ORM\PersistentCollection {#4170 …} -id: 70502 -bodyTs: "'120':40 '12v':58 '20a':71 '80':33 '90':35 'absolut':135 'account':19 'adjust':77 'also':16 'amp':165 'amplifi':158 'batteri':95,108 'best':30 'cap':148 'case':43 'cc':64 'charg':96 'charger':109 'circuit':139,166 'come':112 'common':90 'constant':53 'could':160 'current':68 'curv':23 'cv':47 'dc':128,131 'doesn':149 'dynam':76 'effici':22,31 'follow':122 'give':129 'given':154 'go':11 'guess':101 'handl':39 'input':118 'less':89 'limit':67 'littl':13 'load':34,36 'loss':4 'lot':88 'match':82 'momentarili':41 'mosfet':169 'much':153 'need':17 'output':56,80 'overcurr':62 'part':162 'plug':104 'power':26,48,173 'presenc':143 'process':7 're':134 'recommend':124 'rectifi':146 'say':57,70,127 'spec':114 'spike':46 'standard':52 'suppli':27,49,65,174 'sure':136 'take':121 'target':84 'tell':151 'testing/troubleshooting':98 'trip':60 'unless':132 'use':93 'usual':92 'voltag':54,79 'would':66" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.max-p.me/comment/1280871" +editedAt: null +createdAt: DateTimeImmutable @1698215989 {#4155 : 2023-10-25 08:39:49.0 +02:00 } } +root: App\Entity\EntryComment {#4159} +body: "Well, it says to use a toroidal transformer between 12V to 32V output, and looking at pictures of other people who bought it, it seems to work on AC directly, so I have high confidence that that’s what it is." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698217049 {#4312 : 2023-10-25 08:57:29.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@Max_P@lemmy.max-p.me" ] +children: Doctrine\ORM\PersistentCollection {#4316 …} +nested: Doctrine\ORM\PersistentCollection {#4321 …} +votes: Doctrine\ORM\PersistentCollection {#4317 …} +reports: Doctrine\ORM\PersistentCollection {#4323 …} +favourites: Doctrine\ORM\PersistentCollection {#4325 …} +notifications: Doctrine\ORM\PersistentCollection {#4327 …} -id: 70522 -bodyTs: "'12v':10 '32v':12 'ac':29 'bought':22 'confid':35 'direct':30 'high':34 'look':15 'output':13 'peopl':20 'pictur':17 'say':3 'seem':25 'toroid':7 'transform':8 'use':5 'well':1 'work':27" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4259718" +editedAt: null +createdAt: DateTimeImmutable @1698217049 {#4309 : 2023-10-25 08:57:29.0 +02:00 } } +nestedComments: [] +level: 2 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#556 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
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user_inline | App\Twig\Components\UserInlineComponent | 16.0 MiB | 0.18 ms | |
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Input props | [ "user" => App\Entity\User {#4246 +avatar: null +cover: null +email: "ignotum@lemmy.world" +username: "@ignotum@lemmy.world" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1729450095 {#4230 : 2024-10-20 20:48:15.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4247 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4249 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4251 …} +entries: Doctrine\ORM\PersistentCollection {#4253 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4255 …} +entryComments: Doctrine\ORM\PersistentCollection {#4257 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4259 …} +posts: Doctrine\ORM\PersistentCollection {#4261 …} +postVotes: Doctrine\ORM\PersistentCollection {#4263 …} +postComments: Doctrine\ORM\PersistentCollection {#4265 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4267 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4269 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4271 …} +follows: Doctrine\ORM\PersistentCollection {#4273 …} +followers: Doctrine\ORM\PersistentCollection {#4275 …} +blocks: Doctrine\ORM\PersistentCollection {#4277 …} +blockers: Doctrine\ORM\PersistentCollection {#4279 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4281 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4283 …} +reports: Doctrine\ORM\PersistentCollection {#4285 …} +favourites: Doctrine\ORM\PersistentCollection {#4287 …} +violations: Doctrine\ORM\PersistentCollection {#4289 …} +notifications: Doctrine\ORM\PersistentCollection {#4291 …} +awards: Doctrine\ORM\PersistentCollection {#4293 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4295 …} +categories: Doctrine\ORM\PersistentCollection {#4297 …} -id: 39372 -password: "$2y$13$gOxWrqxgPUOcLhUdUFMx6OnZOv6hXia48yeP6mpCHhJm2p.LF16Wi" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4299 …} +apId: "ignotum@lemmy.world" +apProfileId: "https://lemmy.world/u/ignotum" +apPublicUrl: "https://lemmy.world/u/ignotum" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "ignotum" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729579423 {#4231 : 2024-10-22 08:43:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691451927 {#4232 : 2023-08-08 01:45:27.0 +02:00 } } "showAvatar" => false ] |
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Attributes | [] |
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Component | App\Twig\Components\UserInlineComponent {#7723 +user: App\Entity\User {#4246 +avatar: null +cover: null +email: "ignotum@lemmy.world" +username: "@ignotum@lemmy.world" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1729450095 {#4230 : 2024-10-20 20:48:15.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4247 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4249 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4251 …} +entries: Doctrine\ORM\PersistentCollection {#4253 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4255 …} +entryComments: Doctrine\ORM\PersistentCollection {#4257 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4259 …} +posts: Doctrine\ORM\PersistentCollection {#4261 …} +postVotes: Doctrine\ORM\PersistentCollection {#4263 …} +postComments: Doctrine\ORM\PersistentCollection {#4265 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4267 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4269 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4271 …} +follows: Doctrine\ORM\PersistentCollection {#4273 …} +followers: Doctrine\ORM\PersistentCollection {#4275 …} +blocks: Doctrine\ORM\PersistentCollection {#4277 …} +blockers: Doctrine\ORM\PersistentCollection {#4279 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4281 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4283 …} +reports: Doctrine\ORM\PersistentCollection {#4285 …} +favourites: Doctrine\ORM\PersistentCollection {#4287 …} +violations: Doctrine\ORM\PersistentCollection {#4289 …} +notifications: Doctrine\ORM\PersistentCollection {#4291 …} +awards: Doctrine\ORM\PersistentCollection {#4293 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4295 …} +categories: Doctrine\ORM\PersistentCollection {#4297 …} -id: 39372 -password: "$2y$13$gOxWrqxgPUOcLhUdUFMx6OnZOv6hXia48yeP6mpCHhJm2p.LF16Wi" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4299 …} +apId: "ignotum@lemmy.world" +apProfileId: "https://lemmy.world/u/ignotum" +apPublicUrl: "https://lemmy.world/u/ignotum" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "ignotum" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729579423 {#4231 : 2024-10-22 08:43:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691451927 {#4232 : 2023-08-08 01:45:27.0 +02:00 } } +showAvatar: false } |
date | App\Twig\Components\DateComponent | 16.0 MiB | 0.13 ms | |
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Input props | [ "date" => DateTimeImmutable @1698216329 {#4229 : 2023-10-25 08:45:29.0 +02:00 } ] |
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Attributes | [] |
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Component | App\Twig\Components\DateComponent {#7778 +date: DateTimeImmutable @1698216329 {#4229 : 2023-10-25 08:45:29.0 +02:00 } } |
date_edited | App\Twig\Components\DateEditedComponent | 16.0 MiB | 0.09 ms | |
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Input props | [ "createdAt" => DateTimeImmutable @1698216329 {#4229 : 2023-10-25 08:45:29.0 +02:00 } "editedAt" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\DateEditedComponent {#7832 +createdAt: DateTimeImmutable @1698216329 {#4229 : 2023-10-25 08:45:29.0 +02:00 } +editedAt: null } |
user_avatar | App\Twig\Components\UserAvatarComponent | 16.0 MiB | 0.13 ms | |
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Input props | [ "user" => App\Entity\User {#4246 +avatar: null +cover: null +email: "ignotum@lemmy.world" +username: "@ignotum@lemmy.world" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1729450095 {#4230 : 2024-10-20 20:48:15.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4247 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4249 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4251 …} +entries: Doctrine\ORM\PersistentCollection {#4253 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4255 …} +entryComments: Doctrine\ORM\PersistentCollection {#4257 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4259 …} +posts: Doctrine\ORM\PersistentCollection {#4261 …} +postVotes: Doctrine\ORM\PersistentCollection {#4263 …} +postComments: Doctrine\ORM\PersistentCollection {#4265 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4267 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4269 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4271 …} +follows: Doctrine\ORM\PersistentCollection {#4273 …} +followers: Doctrine\ORM\PersistentCollection {#4275 …} +blocks: Doctrine\ORM\PersistentCollection {#4277 …} +blockers: Doctrine\ORM\PersistentCollection {#4279 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4281 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4283 …} +reports: Doctrine\ORM\PersistentCollection {#4285 …} +favourites: Doctrine\ORM\PersistentCollection {#4287 …} +violations: Doctrine\ORM\PersistentCollection {#4289 …} +notifications: Doctrine\ORM\PersistentCollection {#4291 …} +awards: Doctrine\ORM\PersistentCollection {#4293 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4295 …} +categories: Doctrine\ORM\PersistentCollection {#4297 …} -id: 39372 -password: "$2y$13$gOxWrqxgPUOcLhUdUFMx6OnZOv6hXia48yeP6mpCHhJm2p.LF16Wi" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4299 …} +apId: "ignotum@lemmy.world" +apProfileId: "https://lemmy.world/u/ignotum" +apPublicUrl: "https://lemmy.world/u/ignotum" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "ignotum" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729579423 {#4231 : 2024-10-22 08:43:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691451927 {#4232 : 2023-08-08 01:45:27.0 +02:00 } } "width" => 40 "height" => 40 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#7886 +width: 40 +height: 40 +user: App\Entity\User {#4246 +avatar: null +cover: null +email: "ignotum@lemmy.world" +username: "@ignotum@lemmy.world" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1729450095 {#4230 : 2024-10-20 20:48:15.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4247 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4249 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4251 …} +entries: Doctrine\ORM\PersistentCollection {#4253 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4255 …} +entryComments: Doctrine\ORM\PersistentCollection {#4257 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4259 …} +posts: Doctrine\ORM\PersistentCollection {#4261 …} +postVotes: Doctrine\ORM\PersistentCollection {#4263 …} +postComments: Doctrine\ORM\PersistentCollection {#4265 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4267 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4269 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4271 …} +follows: Doctrine\ORM\PersistentCollection {#4273 …} +followers: Doctrine\ORM\PersistentCollection {#4275 …} +blocks: Doctrine\ORM\PersistentCollection {#4277 …} +blockers: Doctrine\ORM\PersistentCollection {#4279 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4281 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4283 …} +reports: Doctrine\ORM\PersistentCollection {#4285 …} +favourites: Doctrine\ORM\PersistentCollection {#4287 …} +violations: Doctrine\ORM\PersistentCollection {#4289 …} +notifications: Doctrine\ORM\PersistentCollection {#4291 …} +awards: Doctrine\ORM\PersistentCollection {#4293 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4295 …} +categories: Doctrine\ORM\PersistentCollection {#4297 …} -id: 39372 -password: "$2y$13$gOxWrqxgPUOcLhUdUFMx6OnZOv6hXia48yeP6mpCHhJm2p.LF16Wi" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4299 …} +apId: "ignotum@lemmy.world" +apProfileId: "https://lemmy.world/u/ignotum" +apPublicUrl: "https://lemmy.world/u/ignotum" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "ignotum" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729579423 {#4231 : 2024-10-22 08:43:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691451927 {#4232 : 2023-08-08 01:45:27.0 +02:00 } } +asLink: true } |
vote | App\Twig\Components\VoteComponent | 16.0 MiB | 0.42 ms | |
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Input props | [ "subject" => App\Entity\EntryComment {#4233 +user: App\Entity\User {#4246 +avatar: null +cover: null +email: "ignotum@lemmy.world" +username: "@ignotum@lemmy.world" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1729450095 {#4230 : 2024-10-20 20:48:15.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#4247 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4249 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4251 …} +entries: Doctrine\ORM\PersistentCollection {#4253 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4255 …} +entryComments: Doctrine\ORM\PersistentCollection {#4257 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4259 …} +posts: Doctrine\ORM\PersistentCollection {#4261 …} +postVotes: Doctrine\ORM\PersistentCollection {#4263 …} +postComments: Doctrine\ORM\PersistentCollection {#4265 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4267 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4269 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4271 …} +follows: Doctrine\ORM\PersistentCollection {#4273 …} +followers: Doctrine\ORM\PersistentCollection {#4275 …} +blocks: Doctrine\ORM\PersistentCollection {#4277 …} +blockers: Doctrine\ORM\PersistentCollection {#4279 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4281 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4283 …} +reports: Doctrine\ORM\PersistentCollection {#4285 …} +favourites: Doctrine\ORM\PersistentCollection {#4287 …} +violations: Doctrine\ORM\PersistentCollection {#4289 …} +notifications: Doctrine\ORM\PersistentCollection {#4291 …} +awards: Doctrine\ORM\PersistentCollection {#4293 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4295 …} +categories: Doctrine\ORM\PersistentCollection {#4297 …} -id: 39372 -password: "$2y$13$gOxWrqxgPUOcLhUdUFMx6OnZOv6hXia48yeP6mpCHhJm2p.LF16Wi" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4299 …} +apId: "ignotum@lemmy.world" +apProfileId: "https://lemmy.world/u/ignotum" +apPublicUrl: "https://lemmy.world/u/ignotum" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "ignotum" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729579423 {#4231 : 2024-10-22 08:43:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691451927 {#4232 : 2023-08-08 01:45:27.0 +02:00 } } +entry: App\Entity\Entry {#2419 +user: Proxies\__CG__\App\Entity\User {#1970 +avatar: null +cover: null +email: "megrania@discuss.tchncs.de" +username: "@megrania@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1703804620 {#1518 : 2023-12-29 00:03:40.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1623 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1704 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1712 …} +entries: Doctrine\ORM\PersistentCollection {#1706 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1657 …} +entryComments: Doctrine\ORM\PersistentCollection {#1745 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1469 …} +posts: Doctrine\ORM\PersistentCollection {#1749 …} +postVotes: Doctrine\ORM\PersistentCollection {#1491 …} +postComments: Doctrine\ORM\PersistentCollection {#1779 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1633 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1754 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1449 …} +follows: Doctrine\ORM\PersistentCollection {#1446 …} +followers: Doctrine\ORM\PersistentCollection {#1409 …} +blocks: Doctrine\ORM\PersistentCollection {#1461 …} +blockers: Doctrine\ORM\PersistentCollection {#1416 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1433 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1435 …} +reports: Doctrine\ORM\PersistentCollection {#1462 …} +favourites: Doctrine\ORM\PersistentCollection {#1429 …} +violations: Doctrine\ORM\PersistentCollection {#1695 …} +notifications: Doctrine\ORM\PersistentCollection {#1698 …} +awards: Doctrine\ORM\PersistentCollection {#1699 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1615 …} +categories: Doctrine\ORM\PersistentCollection {#1674 …} -id: 66166 -password: "$2y$13$xdbCkTvEPAgb1MYcVBxAFe7ZOfS4Qn3j0wLK9jCJhwY7wEDgd.1Dm" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1671 …} +apId: "megrania@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/megrania" +apPublicUrl: "https://discuss.tchncs.de/u/megrania" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "megrania" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1708852828 {#1536 : 2024-02-25 10:20:28.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1698215468 {#1516 : 2023-10-25 08:31:08.0 +02:00 } +__isInitialized__: true …2 } +magazine: App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. 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You say they have built in rectifiers and everything? Can they be aupplied by mains directly? What is the max input voltage? """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1698216930 {#4228 : 2023-10-25 08:55:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4234 …} +nested: Doctrine\ORM\PersistentCollection {#4236 …} +votes: Doctrine\ORM\PersistentCollection {#4238 …} +reports: Doctrine\ORM\PersistentCollection {#4240 …} +favourites: Doctrine\ORM\PersistentCollection {#4242 …} +notifications: Doctrine\ORM\PersistentCollection {#4244 …} -id: 70506 -bodyTs: "'abl':55 'add':67 'also':84 'amp':59,131 'audio':123 'auppli':144 'base':14 'bit':47,102 'built':136 'cc':43 'close':107 'correct':21 'could':83 'cv':31 'direct':147 'disclaim':1 'everyth':140 'expert':6 'find':74 'full':61 'get':100,116 'give':114 'go':88 'heard':19 'input':128,152 'larger':92 'limit':110 'll':64 'm':25 'main':146 'max':151 'much':40 'nich':49 'noisi':103,117 'normal':27 'one':90 'pleas':20 'power':28,62,72,96 'psu':76 'qualiti':124 'rate':71,79 're':106 'rectifi':138 'reduc':121 'run':57 'say':133 'slight':91 'suppli':29,44,97 'tend':98 'thought':13 've':18 'voltag':112,153 'want':52 'well':94 'wise':86 'worri':38 'wrong':26" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/4800139" +editedAt: null +createdAt: DateTimeImmutable @1698216329 {#4229 : 2023-10-25 08:45:29.0 +02:00 } } ] |
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Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Disclaimer: not at all an expert on this, this is just my thoughts based on what i’ve heard, please correct me if i’m wrong\n \n - Normal power supplies are CV, so you don’t have to worry too much about that, CC supplies are a bit more niche\n - If you want to be able to run the amps at full power, you’ll have to add up all their rated powers and find a psu that is rated for that, it could also be wise to go with one slightly larger as well, as power supplies tend to get a bit noisy when they’re close to the limit (the voltage they give out gets noisy that is) which reduces the audio quality\n - what are the input for the amps? You say they have built in rectifiers and everything? Can they be aupplied by mains directly? What is the max input voltage? 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Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Disclaimer: not at all an expert on this, this is just my thoughts based on what i’ve heard, please correct me if i’m wrong\n \n - Normal power supplies are CV, so you don’t have to worry too much about that, CC supplies are a bit more niche\n - If you want to be able to run the amps at full power, you’ll have to add up all their rated powers and find a psu that is rated for that, it could also be wise to go with one slightly larger as well, as power supplies tend to get a bit noisy when they’re close to the limit (the voltage they give out gets noisy that is) which reduces the audio quality\n - what are the input for the amps? You say they have built in rectifiers and everything? Can they be aupplied by mains directly? What is the max input voltage? """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1698216930 {#4228 : 2023-10-25 08:55:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4234 …} +nested: Doctrine\ORM\PersistentCollection {#4236 …} +votes: Doctrine\ORM\PersistentCollection {#4238 …} +reports: Doctrine\ORM\PersistentCollection {#4240 …} +favourites: Doctrine\ORM\PersistentCollection {#4242 …} +notifications: Doctrine\ORM\PersistentCollection {#4244 …} -id: 70506 -bodyTs: "'abl':55 'add':67 'also':84 'amp':59,131 'audio':123 'auppli':144 'base':14 'bit':47,102 'built':136 'cc':43 'close':107 'correct':21 'could':83 'cv':31 'direct':147 'disclaim':1 'everyth':140 'expert':6 'find':74 'full':61 'get':100,116 'give':114 'go':88 'heard':19 'input':128,152 'larger':92 'limit':110 'll':64 'm':25 'main':146 'max':151 'much':40 'nich':49 'noisi':103,117 'normal':27 'one':90 'pleas':20 'power':28,62,72,96 'psu':76 'qualiti':124 'rate':71,79 're':106 'rectifi':138 'reduc':121 'run':57 'say':133 'slight':91 'suppli':29,44,97 'tend':98 'thought':13 've':18 'voltag':112,153 'want':52 'well':94 'wise':86 'worri':38 'wrong':26" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/4800139" +editedAt: null +createdAt: DateTimeImmutable @1698216329 {#4229 : 2023-10-25 08:45:29.0 +02:00 } } -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Disclaimer: not at all an expert on this, this is just my thoughts based on what i’ve heard, please correct me if i’m wrong\n \n - Normal power supplies are CV, so you don’t have to worry too much about that, CC supplies are a bit more niche\n - If you want to be able to run the amps at full power, you’ll have to add up all their rated powers and find a psu that is rated for that, it could also be wise to go with one slightly larger as well, as power supplies tend to get a bit noisy when they’re close to the limit (the voltage they give out gets noisy that is) which reduces the audio quality\n - what are the input for the amps? You say they have built in rectifiers and everything? Can they be aupplied by mains directly? What is the max input voltage? """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1698216930 {#4228 : 2023-10-25 08:55:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4234 …} +nested: Doctrine\ORM\PersistentCollection {#4236 …} +votes: Doctrine\ORM\PersistentCollection {#4238 …} +reports: Doctrine\ORM\PersistentCollection {#4240 …} +favourites: Doctrine\ORM\PersistentCollection {#4242 …} +notifications: Doctrine\ORM\PersistentCollection {#4244 …} -id: 70506 -bodyTs: "'abl':55 'add':67 'also':84 'amp':59,131 'audio':123 'auppli':144 'base':14 'bit':47,102 'built':136 'cc':43 'close':107 'correct':21 'could':83 'cv':31 'direct':147 'disclaim':1 'everyth':140 'expert':6 'find':74 'full':61 'get':100,116 'give':114 'go':88 'heard':19 'input':128,152 'larger':92 'limit':110 'll':64 'm':25 'main':146 'max':151 'much':40 'nich':49 'noisi':103,117 'normal':27 'one':90 'pleas':20 'power':28,62,72,96 'psu':76 'qualiti':124 'rate':71,79 're':106 'rectifi':138 'reduc':121 'run':57 'say':133 'slight':91 'suppli':29,44,97 'tend':98 'thought':13 've':18 'voltag':112,153 'want':52 'well':94 'wise':86 'worri':38 'wrong':26" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/4800139" +editedAt: null +createdAt: DateTimeImmutable @1698216329 {#4229 : 2023-10-25 08:45:29.0 +02:00 } } "level" => 1 "showNested" => true "view" => "tree" ] |
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an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Disclaimer: not at all an expert on this, this is just my thoughts based on what i’ve heard, please correct me if i’m wrong\n \n - Normal power supplies are CV, so you don’t have to worry too much about that, CC supplies are a bit more niche\n - If you want to be able to run the amps at full power, you’ll have to add up all their rated powers and find a psu that is rated for that, it could also be wise to go with one slightly larger as well, as power supplies tend to get a bit noisy when they’re close to the limit (the voltage they give out gets noisy that is) which reduces the audio quality\n - what are the input for the amps? You say they have built in rectifiers and everything? Can they be aupplied by mains directly? What is the max input voltage? """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1698216930 {#4228 : 2023-10-25 08:55:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4234 …} +nested: Doctrine\ORM\PersistentCollection {#4236 …} +votes: Doctrine\ORM\PersistentCollection {#4238 …} +reports: Doctrine\ORM\PersistentCollection {#4240 …} +favourites: Doctrine\ORM\PersistentCollection {#4242 …} +notifications: Doctrine\ORM\PersistentCollection {#4244 …} -id: 70506 -bodyTs: "'abl':55 'add':67 'also':84 'amp':59,131 'audio':123 'auppli':144 'base':14 'bit':47,102 'built':136 'cc':43 'close':107 'correct':21 'could':83 'cv':31 'direct':147 'disclaim':1 'everyth':140 'expert':6 'find':74 'full':61 'get':100,116 'give':114 'go':88 'heard':19 'input':128,152 'larger':92 'limit':110 'll':64 'm':25 'main':146 'max':151 'much':40 'nich':49 'noisi':103,117 'normal':27 'one':90 'pleas':20 'power':28,62,72,96 'psu':76 'qualiti':124 'rate':71,79 're':106 'rectifi':138 'reduc':121 'run':57 'say':133 'slight':91 'suppli':29,44,97 'tend':98 'thought':13 've':18 'voltag':112,153 'want':52 'well':94 'wise':86 'worri':38 'wrong':26" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/4800139" +editedAt: null +createdAt: DateTimeImmutable @1698216329 {#4229 : 2023-10-25 08:45:29.0 +02:00 } } +nestedComments: [ 70520 => App\Entity\EntryComment {#4331 +user: Proxies\__CG__\App\Entity\User {#1970 …2} +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: App\Entity\EntryComment {#4233} +root: App\Entity\EntryComment {#4233} +body: "Hmm they are rated for 12V to 32V, and the seller recommends using a toroidal transformer to achieve the symmetric power it needs." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698216929 {#4329 : 2023-10-25 08:55:29.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@ignotum@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4332 …} +nested: Doctrine\ORM\PersistentCollection {#4334 …} +votes: Doctrine\ORM\PersistentCollection {#4336 …} +reports: Doctrine\ORM\PersistentCollection {#4338 …} +favourites: Doctrine\ORM\PersistentCollection {#4340 …} +notifications: Doctrine\ORM\PersistentCollection {#4342 …} -id: 70520 -bodyTs: "'12v':6 '32v':8 'achiev':18 'hmm':1 'need':23 'power':21 'rate':4 'recommend':12 'seller':11 'symmetr':20 'toroid':15 'transform':16 'use':13" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4259697" +editedAt: null +createdAt: DateTimeImmutable @1698216929 {#4330 : 2023-10-25 08:55:29.0 +02:00 } } ] +level: 1 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#556 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
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Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. 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audio quality\n - what are the input for the amps? You say they have built in rectifiers and everything? Can they be aupplied by mains directly? What is the max input voltage? 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The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 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+apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729579423 {#4231 : 2024-10-22 08:43:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691451927 {#4232 : 2023-08-08 01:45:27.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Disclaimer: not at all an expert on this, this is just my thoughts based on what i’ve heard, please correct me if i’m wrong\n \n - Normal power supplies are CV, so you don’t have to worry too much about that, CC supplies are a bit more niche\n - If you want to be able to run the amps at full power, you’ll have to add up all their rated powers and find a psu that is rated for that, it could also be wise to go with one slightly larger as well, as power supplies tend to get a bit noisy when they’re close to the limit (the voltage they give out gets noisy that is) which reduces the audio quality\n - what are the input for the amps? You say they have built in rectifiers and everything? Can they be aupplied by mains directly? What is the max input voltage? """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1698216930 {#4228 : 2023-10-25 08:55:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4234 …} +nested: Doctrine\ORM\PersistentCollection {#4236 …} +votes: Doctrine\ORM\PersistentCollection {#4238 …} +reports: Doctrine\ORM\PersistentCollection {#4240 …} +favourites: Doctrine\ORM\PersistentCollection {#4242 …} +notifications: Doctrine\ORM\PersistentCollection {#4244 …} -id: 70506 -bodyTs: "'abl':55 'add':67 'also':84 'amp':59,131 'audio':123 'auppli':144 'base':14 'bit':47,102 'built':136 'cc':43 'close':107 'correct':21 'could':83 'cv':31 'direct':147 'disclaim':1 'everyth':140 'expert':6 'find':74 'full':61 'get':100,116 'give':114 'go':88 'heard':19 'input':128,152 'larger':92 'limit':110 'll':64 'm':25 'main':146 'max':151 'much':40 'nich':49 'noisi':103,117 'normal':27 'one':90 'pleas':20 'power':28,62,72,96 'psu':76 'qualiti':124 'rate':71,79 're':106 'rectifi':138 'reduc':121 'run':57 'say':133 'slight':91 'suppli':29,44,97 'tend':98 'thought':13 've':18 'voltag':112,153 'want':52 'well':94 'wise':86 'worri':38 'wrong':26" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/4800139" +editedAt: null +createdAt: DateTimeImmutable @1698216329 {#4229 : 2023-10-25 08:45:29.0 +02:00 } } +root: App\Entity\EntryComment {#4233} +body: "Hmm they are rated for 12V to 32V, and the seller recommends using a toroidal transformer to achieve the symmetric power it needs." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698216929 {#4329 : 2023-10-25 08:55:29.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@ignotum@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4332 …} +nested: Doctrine\ORM\PersistentCollection {#4334 …} +votes: Doctrine\ORM\PersistentCollection {#4336 …} +reports: Doctrine\ORM\PersistentCollection {#4338 …} +favourites: Doctrine\ORM\PersistentCollection {#4340 …} +notifications: Doctrine\ORM\PersistentCollection {#4342 …} -id: 70520 -bodyTs: "'12v':6 '32v':8 'achiev':18 'hmm':1 'need':23 'power':21 'rate':4 'recommend':12 'seller':11 'symmetr':20 'toroid':15 'transform':16 'use':13" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4259697" +editedAt: null +createdAt: DateTimeImmutable @1698216929 {#4330 : 2023-10-25 08:55:29.0 +02:00 } } +showMagazineName: false +showEntryTitle: false +showNested: true +level: 2 +canSeeTrash: false +dateAsUrl: false -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -authorizationChecker: Symfony\Component\Security\Core\Authorization\AuthorizationChecker {#931 …} } |
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+apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 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+apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729579423 {#4231 : 2024-10-22 08:43:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691451927 {#4232 : 2023-08-08 01:45:27.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Disclaimer: not at all an expert on this, this is just my thoughts based on what i’ve heard, please correct me if i’m wrong\n \n - Normal power supplies are CV, so you don’t have to worry too much about that, CC supplies are a bit more niche\n - If you want to be able to run the amps at full power, you’ll have to add up all their rated powers and find a psu that is rated for that, it could also be wise to go with one slightly larger as well, as power supplies tend to get a bit noisy when they’re close to the limit (the voltage they give out gets noisy that is) which reduces the audio quality\n - what are the input for the amps? You say they have built in rectifiers and everything? Can they be aupplied by mains directly? What is the max input voltage? 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Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 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audio quality\n - what are the input for the amps? You say they have built in rectifiers and everything? Can they be aupplied by mains directly? What is the max input voltage? 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Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 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+apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729579423 {#4231 : 2024-10-22 08:43:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691451927 {#4232 : 2023-08-08 01:45:27.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Disclaimer: not at all an expert on this, this is just my thoughts based on what i’ve heard, please correct me if i’m wrong\n \n - Normal power supplies are CV, so you don’t have to worry too much about that, CC supplies are a bit more niche\n - If you want to be able to run the amps at full power, you’ll have to add up all their rated powers and find a psu that is rated for that, it could also be wise to go with one slightly larger as well, as power supplies tend to get a bit noisy when they’re close to the limit (the voltage they give out gets noisy that is) which reduces the audio quality\n - what are the input for the amps? You say they have built in rectifiers and everything? Can they be aupplied by mains directly? What is the max input voltage? """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1698216930 {#4228 : 2023-10-25 08:55:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4234 …} +nested: Doctrine\ORM\PersistentCollection {#4236 …} +votes: Doctrine\ORM\PersistentCollection {#4238 …} +reports: Doctrine\ORM\PersistentCollection {#4240 …} +favourites: Doctrine\ORM\PersistentCollection {#4242 …} +notifications: Doctrine\ORM\PersistentCollection {#4244 …} -id: 70506 -bodyTs: "'abl':55 'add':67 'also':84 'amp':59,131 'audio':123 'auppli':144 'base':14 'bit':47,102 'built':136 'cc':43 'close':107 'correct':21 'could':83 'cv':31 'direct':147 'disclaim':1 'everyth':140 'expert':6 'find':74 'full':61 'get':100,116 'give':114 'go':88 'heard':19 'input':128,152 'larger':92 'limit':110 'll':64 'm':25 'main':146 'max':151 'much':40 'nich':49 'noisi':103,117 'normal':27 'one':90 'pleas':20 'power':28,62,72,96 'psu':76 'qualiti':124 'rate':71,79 're':106 'rectifi':138 'reduc':121 'run':57 'say':133 'slight':91 'suppli':29,44,97 'tend':98 'thought':13 've':18 'voltag':112,153 'want':52 'well':94 'wise':86 'worri':38 'wrong':26" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/4800139" +editedAt: null +createdAt: DateTimeImmutable @1698216329 {#4229 : 2023-10-25 08:45:29.0 +02:00 } } +root: App\Entity\EntryComment {#4233} +body: "Hmm they are rated for 12V to 32V, and the seller recommends using a toroidal transformer to achieve the symmetric power it needs." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698216929 {#4329 : 2023-10-25 08:55:29.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@ignotum@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4332 …} +nested: Doctrine\ORM\PersistentCollection {#4334 …} +votes: Doctrine\ORM\PersistentCollection {#4336 …} +reports: Doctrine\ORM\PersistentCollection {#4338 …} +favourites: Doctrine\ORM\PersistentCollection {#4340 …} +notifications: Doctrine\ORM\PersistentCollection {#4342 …} -id: 70520 -bodyTs: "'12v':6 '32v':8 'achiev':18 'hmm':1 'need':23 'power':21 'rate':4 'recommend':12 'seller':11 'symmetr':20 'toroid':15 'transform':16 'use':13" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4259697" +editedAt: null +createdAt: DateTimeImmutable @1698216929 {#4330 : 2023-10-25 08:55:29.0 +02:00 } } ] |
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The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 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+apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729579423 {#4231 : 2024-10-22 08:43:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691451927 {#4232 : 2023-08-08 01:45:27.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Disclaimer: not at all an expert on this, this is just my thoughts based on what i’ve heard, please correct me if i’m wrong\n \n - Normal power supplies are CV, so you don’t have to worry too much about that, CC supplies are a bit more niche\n - If you want to be able to run the amps at full power, you’ll have to add up all their rated powers and find a psu that is rated for that, it could also be wise to go with one slightly larger as well, as power supplies tend to get a bit noisy when they’re close to the limit (the voltage they give out gets noisy that is) which reduces the audio quality\n - what are the input for the amps? You say they have built in rectifiers and everything? Can they be aupplied by mains directly? What is the max input voltage? """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1698216930 {#4228 : 2023-10-25 08:55:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4234 …} +nested: Doctrine\ORM\PersistentCollection {#4236 …} +votes: Doctrine\ORM\PersistentCollection {#4238 …} +reports: Doctrine\ORM\PersistentCollection {#4240 …} +favourites: Doctrine\ORM\PersistentCollection {#4242 …} +notifications: Doctrine\ORM\PersistentCollection {#4244 …} -id: 70506 -bodyTs: "'abl':55 'add':67 'also':84 'amp':59,131 'audio':123 'auppli':144 'base':14 'bit':47,102 'built':136 'cc':43 'close':107 'correct':21 'could':83 'cv':31 'direct':147 'disclaim':1 'everyth':140 'expert':6 'find':74 'full':61 'get':100,116 'give':114 'go':88 'heard':19 'input':128,152 'larger':92 'limit':110 'll':64 'm':25 'main':146 'max':151 'much':40 'nich':49 'noisi':103,117 'normal':27 'one':90 'pleas':20 'power':28,62,72,96 'psu':76 'qualiti':124 'rate':71,79 're':106 'rectifi':138 'reduc':121 'run':57 'say':133 'slight':91 'suppli':29,44,97 'tend':98 'thought':13 've':18 'voltag':112,153 'want':52 'well':94 'wise':86 'worri':38 'wrong':26" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/4800139" +editedAt: null +createdAt: DateTimeImmutable @1698216329 {#4229 : 2023-10-25 08:45:29.0 +02:00 } } +root: App\Entity\EntryComment {#4233} +body: "Hmm they are rated for 12V to 32V, and the seller recommends using a toroidal transformer to achieve the symmetric power it needs." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698216929 {#4329 : 2023-10-25 08:55:29.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@ignotum@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4332 …} +nested: Doctrine\ORM\PersistentCollection {#4334 …} +votes: Doctrine\ORM\PersistentCollection {#4336 …} +reports: Doctrine\ORM\PersistentCollection {#4338 …} +favourites: Doctrine\ORM\PersistentCollection {#4340 …} +notifications: Doctrine\ORM\PersistentCollection {#4342 …} -id: 70520 -bodyTs: "'12v':6 '32v':8 'achiev':18 'hmm':1 'need':23 'power':21 'rate':4 'recommend':12 'seller':11 'symmetr':20 'toroid':15 'transform':16 'use':13" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4259697" +editedAt: null +createdAt: DateTimeImmutable @1698216929 {#4330 : 2023-10-25 08:55:29.0 +02:00 } } -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} } |
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+apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 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Doctrine\ORM\PersistentCollection {#4247 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4249 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4251 …} +entries: Doctrine\ORM\PersistentCollection {#4253 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4255 …} +entryComments: Doctrine\ORM\PersistentCollection {#4257 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4259 …} +posts: Doctrine\ORM\PersistentCollection {#4261 …} +postVotes: Doctrine\ORM\PersistentCollection {#4263 …} +postComments: Doctrine\ORM\PersistentCollection {#4265 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4267 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4269 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4271 …} +follows: Doctrine\ORM\PersistentCollection {#4273 …} +followers: Doctrine\ORM\PersistentCollection {#4275 …} +blocks: Doctrine\ORM\PersistentCollection {#4277 …} +blockers: Doctrine\ORM\PersistentCollection {#4279 …} 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+apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729579423 {#4231 : 2024-10-22 08:43:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691451927 {#4232 : 2023-08-08 01:45:27.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Disclaimer: not at all an expert on this, this is just my thoughts based on what i’ve heard, please correct me if i’m wrong\n \n - Normal power supplies are CV, so you don’t have to worry too much about that, CC supplies are a bit more niche\n - If you want to be able to run the amps at full power, you’ll have to add up all their rated powers and find a psu that is rated for that, it could also be wise to go with one slightly larger as well, as power supplies tend to get a bit noisy when they’re close to the limit (the voltage they give out gets noisy that is) which reduces the audio quality\n - what are the input for the amps? You say they have built in rectifiers and everything? Can they be aupplied by mains directly? What is the max input voltage? """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1698216930 {#4228 : 2023-10-25 08:55:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4234 …} +nested: Doctrine\ORM\PersistentCollection {#4236 …} +votes: Doctrine\ORM\PersistentCollection {#4238 …} +reports: Doctrine\ORM\PersistentCollection {#4240 …} +favourites: Doctrine\ORM\PersistentCollection {#4242 …} +notifications: Doctrine\ORM\PersistentCollection {#4244 …} -id: 70506 -bodyTs: "'abl':55 'add':67 'also':84 'amp':59,131 'audio':123 'auppli':144 'base':14 'bit':47,102 'built':136 'cc':43 'close':107 'correct':21 'could':83 'cv':31 'direct':147 'disclaim':1 'everyth':140 'expert':6 'find':74 'full':61 'get':100,116 'give':114 'go':88 'heard':19 'input':128,152 'larger':92 'limit':110 'll':64 'm':25 'main':146 'max':151 'much':40 'nich':49 'noisi':103,117 'normal':27 'one':90 'pleas':20 'power':28,62,72,96 'psu':76 'qualiti':124 'rate':71,79 're':106 'rectifi':138 'reduc':121 'run':57 'say':133 'slight':91 'suppli':29,44,97 'tend':98 'thought':13 've':18 'voltag':112,153 'want':52 'well':94 'wise':86 'worri':38 'wrong':26" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/4800139" +editedAt: null +createdAt: DateTimeImmutable @1698216329 {#4229 : 2023-10-25 08:45:29.0 +02:00 } } +root: App\Entity\EntryComment {#4233} +body: "Hmm they are rated for 12V to 32V, and the seller recommends using a toroidal transformer to achieve the symmetric power it needs." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698216929 {#4329 : 2023-10-25 08:55:29.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@ignotum@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4332 …} +nested: Doctrine\ORM\PersistentCollection {#4334 …} +votes: Doctrine\ORM\PersistentCollection {#4336 …} +reports: Doctrine\ORM\PersistentCollection {#4338 …} +favourites: Doctrine\ORM\PersistentCollection {#4340 …} +notifications: Doctrine\ORM\PersistentCollection {#4342 …} -id: 70520 -bodyTs: "'12v':6 '32v':8 'achiev':18 'hmm':1 'need':23 'power':21 'rate':4 'recommend':12 'seller':11 'symmetr':20 'toroid':15 'transform':16 'use':13" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4259697" +editedAt: null +createdAt: DateTimeImmutable @1698216929 {#4330 : 2023-10-25 08:55:29.0 +02:00 } } "level" => 2 "showNested" => true "view" => "tree" ] |
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Doctrine\ORM\PersistentCollection {#1409 …} +blocks: Doctrine\ORM\PersistentCollection {#1461 …} +blockers: Doctrine\ORM\PersistentCollection {#1416 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1433 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1435 …} +reports: Doctrine\ORM\PersistentCollection {#1462 …} +favourites: Doctrine\ORM\PersistentCollection {#1429 …} +violations: Doctrine\ORM\PersistentCollection {#1695 …} +notifications: Doctrine\ORM\PersistentCollection {#1698 …} +awards: Doctrine\ORM\PersistentCollection {#1699 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1615 …} +categories: Doctrine\ORM\PersistentCollection {#1674 …} -id: 66166 -password: "$2y$13$xdbCkTvEPAgb1MYcVBxAFe7ZOfS4Qn3j0wLK9jCJhwY7wEDgd.1Dm" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1671 …} +apId: "megrania@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/megrania" +apPublicUrl: "https://discuss.tchncs.de/u/megrania" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "megrania" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1708852828 {#1536 : 2024-02-25 10:20:28.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1698215468 {#1516 : 2023-10-25 08:31:08.0 +02:00 } +__isInitialized__: true …2 } +entry: App\Entity\Entry {#2419 +user: Proxies\__CG__\App\Entity\User {#1970 …2} +magazine: App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +image: null +domain: Proxies\__CG__\App\Entity\Domain {#1915 …} +slug: "How-to-Dimension-a-Power-Supply-for-an-Audio-Amplifier" +title: "How to Dimension a Power Supply for an Audio Amplifier ?" +url: null +body: """ Hi,\n \n I recently bought a few pre-made amplifier modules for an 8-channel amplifier project (for a sound installation).\n \n The amp is based on the TDA7294 chip and is rated 85W nominal. Now I’m looking for a power supply, but I’m a bit lost (this isn’t really my strongest field, to put it mildly).\n \n Do I just need to add up the output power, 8*85W = 680W, or could I get away with using something smaller, like a 300W or 300VA?\n \n Also, the seller said that you need to use CV power supplies, CC won’t work and kill the circuit. Does that mean a switching supply can’t be used?\n \n It looks like the module has a rectifier and smoothing caps integrated, so I could potentially just use a transformer, right?\n \n Best, N """ +type: "article" +lang: "en" +isOc: false +hasEmbed: false +commentCount: 7 +favouriteCount: 3 +score: 0 +isAdult: false +sticky: false +lastActive: DateTime @1698276158 {#2414 : 2023-10-26 01:22:38.0 +02:00 } +ip: null +adaAmount: 0 +tags: null +mentions: null +comments: Doctrine\ORM\PersistentCollection {#1884 …} +votes: Doctrine\ORM\PersistentCollection {#1973 …} +reports: Doctrine\ORM\PersistentCollection {#1959 …} +favourites: Doctrine\ORM\PersistentCollection {#1927 …} +notifications: Doctrine\ORM\PersistentCollection {#2442 …} +badges: Doctrine\ORM\PersistentCollection {#2440 …} +children: [] -id: 7620 -titleTs: "'amplifi':10 'audio':9 'dimens':3 'power':5 'suppli':6" -bodyTs: "'300va':86 '300w':84 '680w':72 '8':14,70 '85w':33,71 'add':65 'also':87 'amp':23 'amplifi':10,16 'away':77 'base':25 'best':138 'bit':47 'bought':4 'cap':127 'cc':99 'channel':15 'chip':29 'circuit':106 'could':74,131 'cv':96 'field':55 'get':76 'hi':1 'instal':21 'integr':128 'isn':50 'kill':104 'like':82,119 'look':38,118 'lost':48 'm':37,45 'made':9 'mean':109 'mild':59 'modul':11,121 'n':139 'need':63,93 'nomin':34 'output':68 'potenti':132 'power':41,69,97 'pre':8 'pre-mad':7 'project':17 'put':57 'rate':32 'realli':52 'recent':3 'rectifi':124 'right':137 'said':90 'seller':89 'smaller':81 'smooth':126 'someth':80 'sound':20 'strongest':54 'suppli':42,98,112 'switch':111 'tda7294':28 'transform':136 'use':79,95,116,134 'won':100 'work':102" +cross: false +upVotes: 0 +downVotes: 0 +ranking: 1698255466 +visibility: "visible " +apId: "https://discuss.tchncs.de/post/5265073" +editedAt: null +createdAt: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } +magazine: App\Entity\Magazine {#265} +image: null +parent: App\Entity\EntryComment {#4233 +user: App\Entity\User 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Doctrine\ORM\PersistentCollection {#4247 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#4249 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#4251 …} +entries: Doctrine\ORM\PersistentCollection {#4253 …} +entryVotes: Doctrine\ORM\PersistentCollection {#4255 …} +entryComments: Doctrine\ORM\PersistentCollection {#4257 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#4259 …} +posts: Doctrine\ORM\PersistentCollection {#4261 …} +postVotes: Doctrine\ORM\PersistentCollection {#4263 …} +postComments: Doctrine\ORM\PersistentCollection {#4265 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#4267 …} +subscriptions: Doctrine\ORM\PersistentCollection {#4269 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#4271 …} +follows: Doctrine\ORM\PersistentCollection {#4273 …} +followers: Doctrine\ORM\PersistentCollection {#4275 …} +blocks: Doctrine\ORM\PersistentCollection {#4277 …} +blockers: Doctrine\ORM\PersistentCollection {#4279 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#4281 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#4283 …} +reports: Doctrine\ORM\PersistentCollection {#4285 …} +favourites: Doctrine\ORM\PersistentCollection {#4287 …} +violations: Doctrine\ORM\PersistentCollection {#4289 …} +notifications: Doctrine\ORM\PersistentCollection {#4291 …} +awards: Doctrine\ORM\PersistentCollection {#4293 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#4295 …} +categories: Doctrine\ORM\PersistentCollection {#4297 …} -id: 39372 -password: "$2y$13$gOxWrqxgPUOcLhUdUFMx6OnZOv6hXia48yeP6mpCHhJm2p.LF16Wi" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#4299 …} +apId: "ignotum@lemmy.world" +apProfileId: "https://lemmy.world/u/ignotum" +apPublicUrl: "https://lemmy.world/u/ignotum" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "ignotum" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729579423 {#4231 : 2024-10-22 08:43:43.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691451927 {#4232 : 2023-08-08 01:45:27.0 +02:00 } } +entry: App\Entity\Entry {#2419} +magazine: App\Entity\Magazine {#265} +image: null +parent: null +root: null +body: """ Disclaimer: not at all an expert on this, this is just my thoughts based on what i’ve heard, please correct me if i’m wrong\n \n - Normal power supplies are CV, so you don’t have to worry too much about that, CC supplies are a bit more niche\n - If you want to be able to run the amps at full power, you’ll have to add up all their rated powers and find a psu that is rated for that, it could also be wise to go with one slightly larger as well, as power supplies tend to get a bit noisy when they’re close to the limit (the voltage they give out gets noisy that is) which reduces the audio quality\n - what are the input for the amps? You say they have built in rectifiers and everything? Can they be aupplied by mains directly? What is the max input voltage? """ +lang: "en" +isAdult: false +favouriteCount: 1 +score: 0 +lastActive: DateTime @1698216930 {#4228 : 2023-10-25 08:55:30.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" ] +children: Doctrine\ORM\PersistentCollection {#4234 …} +nested: Doctrine\ORM\PersistentCollection {#4236 …} +votes: Doctrine\ORM\PersistentCollection {#4238 …} +reports: Doctrine\ORM\PersistentCollection {#4240 …} +favourites: Doctrine\ORM\PersistentCollection {#4242 …} +notifications: Doctrine\ORM\PersistentCollection {#4244 …} -id: 70506 -bodyTs: "'abl':55 'add':67 'also':84 'amp':59,131 'audio':123 'auppli':144 'base':14 'bit':47,102 'built':136 'cc':43 'close':107 'correct':21 'could':83 'cv':31 'direct':147 'disclaim':1 'everyth':140 'expert':6 'find':74 'full':61 'get':100,116 'give':114 'go':88 'heard':19 'input':128,152 'larger':92 'limit':110 'll':64 'm':25 'main':146 'max':151 'much':40 'nich':49 'noisi':103,117 'normal':27 'one':90 'pleas':20 'power':28,62,72,96 'psu':76 'qualiti':124 'rate':71,79 're':106 'rectifi':138 'reduc':121 'run':57 'say':133 'slight':91 'suppli':29,44,97 'tend':98 'thought':13 've':18 'voltag':112,153 'want':52 'well':94 'wise':86 'worri':38 'wrong':26" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://lemmy.world/comment/4800139" +editedAt: null +createdAt: DateTimeImmutable @1698216329 {#4229 : 2023-10-25 08:45:29.0 +02:00 } } +root: App\Entity\EntryComment {#4233} +body: "Hmm they are rated for 12V to 32V, and the seller recommends using a toroidal transformer to achieve the symmetric power it needs." +lang: "en" +isAdult: false +favouriteCount: 0 +score: 0 +lastActive: DateTime @1698216929 {#4329 : 2023-10-25 08:55:29.0 +02:00 } +ip: null +tags: null +mentions: [ "@megrania@discuss.tchncs.de" "@ignotum@lemmy.world" ] +children: Doctrine\ORM\PersistentCollection {#4332 …} +nested: Doctrine\ORM\PersistentCollection {#4334 …} +votes: Doctrine\ORM\PersistentCollection {#4336 …} +reports: Doctrine\ORM\PersistentCollection {#4338 …} +favourites: Doctrine\ORM\PersistentCollection {#4340 …} +notifications: Doctrine\ORM\PersistentCollection {#4342 …} -id: 70520 -bodyTs: "'12v':6 '32v':8 'achiev':18 'hmm':1 'need':23 'power':21 'rate':4 'recommend':12 'seller':11 'symmetr':20 'toroid':15 'transform':16 'use':13" +ranking: 0 +commentCount: 0 +upVotes: 0 +downVotes: 0 +visibility: "visible " +apId: "https://discuss.tchncs.de/comment/4259697" +editedAt: null +createdAt: DateTimeImmutable @1698216929 {#4330 : 2023-10-25 08:55:29.0 +02:00 } } +nestedComments: [] +level: 2 +view: "tree" -entryCommentRepository: App\Repository\EntryCommentRepository {#556 …} -twig: Twig\Environment {#1252 …} -security: Symfony\Bundle\SecurityBundle\Security {#1101 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
settings_row_enum | App\Twig\Components\SettingsRowEnumComponent | 16.0 MiB | 0.23 ms | |
---|---|---|---|---|
Input props | [ "label" => "Sidebar position" "settingsKey" => "KBIN_GENERAL_SIDEBAR_POSITION" "values" => [ [ "name" => "Left" "value" => "LEFT" ] [ "name" => "Right" "value" => "RIGHT" ] ] "defaultValue" => "RIGHT" ] |
|||
Attributes | [] |
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Component | App\Twig\Components\SettingsRowEnumComponent {#9040 +label: "Sidebar position" +help: "" +settingsKey: "KBIN_GENERAL_SIDEBAR_POSITION" +values: [ [ "name" => "Left" "value" => "LEFT" ] [ "name" => "Right" "value" => "RIGHT" ] ] +defaultValue: "RIGHT" +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 16.0 MiB | 0.21 ms | |
---|---|---|---|---|
Input props | [ "label" => "Dynamic lists" "settingsKey" => "KBIN_GENERAL_DYNAMIC_LISTS" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#9104 +label: "Dynamic lists" +help: "" +settingsKey: "KBIN_GENERAL_DYNAMIC_LISTS" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 16.0 MiB | 0.13 ms | |
---|---|---|---|---|
Input props | [ "label" => "Rounded edges" "settingsKey" => "KBIN_GENERAL_ROUNDED_EDGES" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#9169 +label: "Rounded edges" +help: "" +settingsKey: "KBIN_GENERAL_ROUNDED_EDGES" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 16.0 MiB | 0.13 ms | |
---|---|---|---|---|
Input props | [ "label" => "Infinite scrolling" "help" => "Automatically load more content when you reach the bottom of the page." "settingsKey" => "KBIN_GENERAL_INFINITE_SCROLL" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#9225 +label: "Infinite scrolling" +help: "Automatically load more content when you reach the bottom of the page." +settingsKey: "KBIN_GENERAL_INFINITE_SCROLL" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 16.0 MiB | 0.12 ms | |
---|---|---|---|---|
Input props | [ "label" => "Sticky navbar" "help" => "The navbar will stick to the top of the page when you scroll down." "settingsKey" => "KBIN_GENERAL_FIXED_NAVBAR" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#9284 +label: "Sticky navbar" +help: "The navbar will stick to the top of the page when you scroll down." +settingsKey: "KBIN_GENERAL_FIXED_NAVBAR" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 16.0 MiB | 0.12 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show top bar" "settingsKey" => "KBIN_GENERAL_TOPBAR" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#9340 +label: "Show top bar" +help: "" +settingsKey: "KBIN_GENERAL_TOPBAR" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 16.0 MiB | 0.13 ms | |
---|---|---|---|---|
Input props | [ "label" => "Turbo mode (experimental)" "settingsKey" => "KBIN_GENERAL_TURBO" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#9396 +label: "Turbo mode (experimental)" +help: "" +settingsKey: "KBIN_GENERAL_TURBO" +defaultValue: false +reloadRequired: true } |
user_settings_row_switch | App\Twig\Components\UserSettingsRowSwitchComponent | 16.0 MiB | 0.23 ms | |
---|---|---|---|---|
Input props | [ "label" => "Mark new comments" "settingsKey" => "KBIN_MARK_NEW_COMMENTS" ] |
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Attributes | [] |
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Component | App\Twig\Components\UserSettingsRowSwitchComponent {#9454 +label: "Mark new comments" +help: "" +settingsKey: "KBIN_MARK_NEW_COMMENTS" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 16.0 MiB | 0.18 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show "Support Us" block" "settingsKey" => "KBIN_GENERAL_SUPPORT_US_BLOCK" "defaultValue" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#9517 +label: "Show "Support Us" block" +help: "" +settingsKey: "KBIN_GENERAL_SUPPORT_US_BLOCK" +defaultValue: true +reloadRequired: true } |
user_settings_row_switch | App\Twig\Components\UserSettingsRowSwitchComponent | 16.0 MiB | 0.15 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show subscribed users" "settingsKey" => "KBIN_SUB_CHANNEL_USERS" ] |
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Attributes | [] |
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Component | App\Twig\Components\UserSettingsRowSwitchComponent {#9575 +label: "Show subscribed users" +help: "" +settingsKey: "KBIN_SUB_CHANNEL_USERS" +defaultValue: false +reloadRequired: true } |
user_settings_row_switch | App\Twig\Components\UserSettingsRowSwitchComponent | 16.0 MiB | 0.14 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show subscribed magazines" "settingsKey" => "KBIN_SUB_CHANNEL_MAGAZINES" ] |
|||
Attributes | [] |
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Component | App\Twig\Components\UserSettingsRowSwitchComponent {#9631 +label: "Show subscribed magazines" +help: "" +settingsKey: "KBIN_SUB_CHANNEL_MAGAZINES" +defaultValue: false +reloadRequired: true } |
user_settings_row_switch | App\Twig\Components\UserSettingsRowSwitchComponent | 16.0 MiB | 0.14 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show subscribed domains" "settingsKey" => "KBIN_SUB_CHANNEL_DOMAINS" ] |
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Attributes | [] |
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Component | App\Twig\Components\UserSettingsRowSwitchComponent {#9687 +label: "Show subscribed domains" +help: "" +settingsKey: "KBIN_SUB_CHANNEL_DOMAINS" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 16.0 MiB | 0.12 ms | |
---|---|---|---|---|
Input props | [ "label" => "Auto media preview" "help" => "Automatically expand media previews." "settingsKey" => "KBIN_ENTRIES_SHOW_PREVIEW" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#9743 +label: "Auto media preview" +help: "Automatically expand media previews." +settingsKey: "KBIN_ENTRIES_SHOW_PREVIEW" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 16.0 MiB | 0.16 ms | |
---|---|---|---|---|
Input props | [ "label" => "Compact view" "settingsKey" => "KBIN_ENTRIES_COMPACT" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#9799 +label: "Compact view" +help: "" +settingsKey: "KBIN_ENTRIES_COMPACT" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 16.0 MiB | 0.14 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show users’ avatars" "settingsKey" => "KBIN_ENTRIES_SHOW_USERS_AVATARS" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#9855 +label: "Show users’ avatars" +help: "" +settingsKey: "KBIN_ENTRIES_SHOW_USERS_AVATARS" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 16.0 MiB | 0.15 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show magazines’ icons" "settingsKey" => "KBIN_ENTRIES_SHOW_MAGAZINES_ICONS" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#9911 +label: "Show magazines’ icons" +help: "" +settingsKey: "KBIN_ENTRIES_SHOW_MAGAZINES_ICONS" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 16.0 MiB | 0.16 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show thumbnails" "settingsKey" => "KBIN_ENTRIES_SHOW_THUMBNAILS" "defaultValue" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#9967 +label: "Show thumbnails" +help: "" +settingsKey: "KBIN_ENTRIES_SHOW_THUMBNAILS" +defaultValue: true +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 16.0 MiB | 0.13 ms | |
---|---|---|---|---|
Input props | [ "label" => "Auto media preview" "help" => "Automatically expand media previews." "settingsKey" => "KBIN_POSTS_SHOW_PREVIEW" ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#10023 +label: "Auto media preview" +help: "Automatically expand media previews." +settingsKey: "KBIN_POSTS_SHOW_PREVIEW" +defaultValue: false +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 16.0 MiB | 0.13 ms | |
---|---|---|---|---|
Input props | [ "label" => "Show users’ avatars" "settingsKey" => "KBIN_POSTS_SHOW_USERS_AVATARS" "defaultValue" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#10079 +label: "Show users’ avatars" +help: "" +settingsKey: "KBIN_POSTS_SHOW_USERS_AVATARS" +defaultValue: true +reloadRequired: true } |
settings_row_enum | App\Twig\Components\SettingsRowEnumComponent | 16.0 MiB | 0.16 ms | |
---|---|---|---|---|
Input props | [ "label" => "Comment reply position" "help" => "Display the comment reply form either at the top or bottom of the page. When 'infinite scroll' is enabled the position will always appear at the top." "settingsKey" => "KBIN_COMMENTS_REPLY_POSITION" "values" => [ [ "name" => "top" "value" => "TOP" ] [ "name" => "bottom" "value" => "BOTTOM" ] ] "defaultValue" => "TOP" ] |
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Attributes | [] |
|||
Component | App\Twig\Components\SettingsRowEnumComponent {#10135 +label: "Comment reply position" +help: "Display the comment reply form either at the top or bottom of the page. When 'infinite scroll' is enabled the position will always appear at the top." +settingsKey: "KBIN_COMMENTS_REPLY_POSITION" +values: [ [ "name" => "top" "value" => "TOP" ] [ "name" => "bottom" "value" => "BOTTOM" ] ] +defaultValue: "TOP" +reloadRequired: true } |
settings_row_switch | App\Twig\Components\SettingsRowSwitchComponent | 16.0 MiB | 0.13 ms | |
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Input props | [ "label" => "Show Comment Avatars" "help" => "Display/hide user avatars when viewing comments on a single thread or post." "settingsKey" => "KBIN_COMMENTS_SHOW_USER_AVATAR" "defaultValue" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\SettingsRowSwitchComponent {#10193 +label: "Show Comment Avatars" +help: "Display/hide user avatars when viewing comments on a single thread or post." +settingsKey: "KBIN_COMMENTS_SHOW_USER_AVATAR" +defaultValue: true +reloadRequired: true } |
user_actions | App\Twig\Components\UserActionsComponent | 16.0 MiB | 0.55 ms | |
---|---|---|---|---|
Input props | [ "user" => Proxies\__CG__\App\Entity\User {#1970 +avatar: null +cover: null +email: "megrania@discuss.tchncs.de" +username: "@megrania@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1703804620 {#1518 : 2023-12-29 00:03:40.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1623 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1704 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1712 …} +entries: Doctrine\ORM\PersistentCollection {#1706 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1657 …} +entryComments: Doctrine\ORM\PersistentCollection {#1745 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1469 …} +posts: Doctrine\ORM\PersistentCollection {#1749 …} +postVotes: Doctrine\ORM\PersistentCollection {#1491 …} +postComments: Doctrine\ORM\PersistentCollection {#1779 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1633 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1754 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1449 …} +follows: Doctrine\ORM\PersistentCollection {#1446 …} +followers: Doctrine\ORM\PersistentCollection {#1409 …} +blocks: Doctrine\ORM\PersistentCollection {#1461 …} +blockers: Doctrine\ORM\PersistentCollection {#1416 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1433 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1435 …} +reports: Doctrine\ORM\PersistentCollection {#1462 …} +favourites: Doctrine\ORM\PersistentCollection {#1429 …} +violations: Doctrine\ORM\PersistentCollection {#1695 …} +notifications: Doctrine\ORM\PersistentCollection {#1698 …} +awards: Doctrine\ORM\PersistentCollection {#1699 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1615 …} +categories: Doctrine\ORM\PersistentCollection {#1674 …} -id: 66166 -password: "$2y$13$xdbCkTvEPAgb1MYcVBxAFe7ZOfS4Qn3j0wLK9jCJhwY7wEDgd.1Dm" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1671 …} +apId: "megrania@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/megrania" +apPublicUrl: "https://discuss.tchncs.de/u/megrania" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "megrania" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1708852828 {#1536 : 2024-02-25 10:20:28.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1698215468 {#1516 : 2023-10-25 08:31:08.0 +02:00 } +__isInitialized__: true …2 } ] |
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Attributes | [] |
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Component | App\Twig\Components\UserActionsComponent {#10270 +user: Proxies\__CG__\App\Entity\User {#1970 +avatar: null +cover: null +email: "megrania@discuss.tchncs.de" +username: "@megrania@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: null +lastActive: DateTime @1703804620 {#1518 : 2023-12-29 00:03:40.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#1623 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#1704 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#1712 …} +entries: Doctrine\ORM\PersistentCollection {#1706 …} +entryVotes: Doctrine\ORM\PersistentCollection {#1657 …} +entryComments: Doctrine\ORM\PersistentCollection {#1745 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#1469 …} +posts: Doctrine\ORM\PersistentCollection {#1749 …} +postVotes: Doctrine\ORM\PersistentCollection {#1491 …} +postComments: Doctrine\ORM\PersistentCollection {#1779 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#1633 …} +subscriptions: Doctrine\ORM\PersistentCollection {#1754 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#1449 …} +follows: Doctrine\ORM\PersistentCollection {#1446 …} +followers: Doctrine\ORM\PersistentCollection {#1409 …} +blocks: Doctrine\ORM\PersistentCollection {#1461 …} +blockers: Doctrine\ORM\PersistentCollection {#1416 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#1433 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#1435 …} +reports: Doctrine\ORM\PersistentCollection {#1462 …} +favourites: Doctrine\ORM\PersistentCollection {#1429 …} +violations: Doctrine\ORM\PersistentCollection {#1695 …} +notifications: Doctrine\ORM\PersistentCollection {#1698 …} +awards: Doctrine\ORM\PersistentCollection {#1699 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#1615 …} +categories: Doctrine\ORM\PersistentCollection {#1674 …} -id: 66166 -password: "$2y$13$xdbCkTvEPAgb1MYcVBxAFe7ZOfS4Qn3j0wLK9jCJhwY7wEDgd.1Dm" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1671 …} +apId: "megrania@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/megrania" +apPublicUrl: "https://discuss.tchncs.de/u/megrania" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "megrania" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1708852828 {#1536 : 2024-02-25 10:20:28.0 +01:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1698215468 {#1516 : 2023-10-25 08:31:08.0 +02:00 } +__isInitialized__: true …2 } } |
date | App\Twig\Components\DateComponent | 16.0 MiB | 0.13 ms | |
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Input props | [ "date" => DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } ] |
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Attributes | [] |
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Component | App\Twig\Components\DateComponent {#10331 +date: DateTimeImmutable @1698215466 {#1793 : 2023-10-25 08:31:06.0 +02:00 } } |
magazine_box | App\Twig\Components\MagazineBoxComponent | 16.0 MiB | 17.97 ms | |
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Input props | [ "magazine" => App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } "showSectionTitle" => true ] |
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Attributes | [] |
|||
Component | App\Twig\Components\MagazineBoxComponent {#10387 +magazine: App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } +showCover: true +showDescription: true +showRules: true +showSubscribeButton: true +showInfo: true +showMeta: true +showSectionTitle: true +stretchedLink: true } |
magazine_sub | App\Twig\Components\MagazineSubComponent | 16.0 MiB | 1.97 ms | |
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Input props | [ "magazine" => App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } ] |
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Attributes | [] |
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Component | App\Twig\Components\MagazineSubComponent {#10445 +magazine: App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } } |
date | App\Twig\Components\DateComponent | 16.0 MiB | 0.22 ms | |
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Input props | [ "date" => DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } ] |
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Attributes | [] |
|||
Component | App\Twig\Components\DateComponent {#10557 +date: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } |
user_inline | App\Twig\Components\UserInlineComponent | 16.0 MiB | 2.56 ms | |
---|---|---|---|---|
Input props | [ "user" => Proxies\__CG__\App\Entity\User {#10616 +avatar: null +cover: null +email: "kbin@j0h.nl" +username: "Sprite_tm" +roles: [ "ROLE_ADMIN" ] +followersCount: 0 +homepage: "front" +about: "Hi! I'm Sprite_tm. You may know me from sites like https://spritesmods.com." +lastActive: DateTime @1707547382 {#10663 : 2024-02-10 07:43:02.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: true +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#10665 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#10667 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#10669 …} +entries: Doctrine\ORM\PersistentCollection {#10671 …} +entryVotes: Doctrine\ORM\PersistentCollection {#10673 …} +entryComments: Doctrine\ORM\PersistentCollection {#10675 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#10677 …} +posts: Doctrine\ORM\PersistentCollection {#10679 …} +postVotes: Doctrine\ORM\PersistentCollection {#10681 …} +postComments: Doctrine\ORM\PersistentCollection {#10683 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#10685 …} +subscriptions: Doctrine\ORM\PersistentCollection {#10687 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#10689 …} +follows: Doctrine\ORM\PersistentCollection {#10691 …} +followers: Doctrine\ORM\PersistentCollection {#10693 …} +blocks: Doctrine\ORM\PersistentCollection {#10695 …} +blockers: Doctrine\ORM\PersistentCollection {#10697 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#10699 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#10701 …} +reports: Doctrine\ORM\PersistentCollection {#10703 …} +favourites: Doctrine\ORM\PersistentCollection {#10705 …} +violations: Doctrine\ORM\PersistentCollection {#10707 …} +notifications: Doctrine\ORM\PersistentCollection {#10709 …} +awards: Doctrine\ORM\PersistentCollection {#10711 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#10713 …} +categories: Doctrine\ORM\PersistentCollection {#10715 …} -id: 1 -password: "$2y$13$ZX7Aou2QOPRGkHPp4y5x8OWfxZMoT1BGH7bRLlPP7mwZFTkfiaPGG" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#10717 …} +apId: null +apProfileId: null +apPublicUrl: null +apFollowersUrl: null +apInboxUrl: null +apDomain: null +apPreferredUsername: null +apDiscoverable: null +apManuallyApprovesFollowers: null +privateKey: """ -----BEGIN PRIVATE KEY-----\r\n MIIJQgIBADANBgkqhkiG9w0BAQEFAASCCSwwggkoAgEAAoICAQDleeotz5TBiMlC\r\n 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Attributes | [] |
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Component | App\Twig\Components\UserInlineComponent {#10634 +user: Proxies\__CG__\App\Entity\User {#10616 +avatar: null +cover: null +email: "kbin@j0h.nl" +username: "Sprite_tm" +roles: [ "ROLE_ADMIN" ] +followersCount: 0 +homepage: "front" +about: "Hi! I'm Sprite_tm. You may know me from sites like https://spritesmods.com." +lastActive: DateTime @1707547382 {#10663 : 2024-02-10 07:43:02.0 +01:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: true +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#10665 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#10667 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#10669 …} +entries: Doctrine\ORM\PersistentCollection {#10671 …} +entryVotes: Doctrine\ORM\PersistentCollection {#10673 …} +entryComments: Doctrine\ORM\PersistentCollection {#10675 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#10677 …} +posts: Doctrine\ORM\PersistentCollection {#10679 …} +postVotes: Doctrine\ORM\PersistentCollection {#10681 …} +postComments: Doctrine\ORM\PersistentCollection {#10683 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#10685 …} +subscriptions: Doctrine\ORM\PersistentCollection {#10687 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#10689 …} +follows: Doctrine\ORM\PersistentCollection {#10691 …} +followers: Doctrine\ORM\PersistentCollection {#10693 …} +blocks: Doctrine\ORM\PersistentCollection {#10695 …} +blockers: Doctrine\ORM\PersistentCollection {#10697 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#10699 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#10701 …} +reports: Doctrine\ORM\PersistentCollection {#10703 …} +favourites: Doctrine\ORM\PersistentCollection {#10705 …} +violations: Doctrine\ORM\PersistentCollection {#10707 …} +notifications: Doctrine\ORM\PersistentCollection {#10709 …} +awards: Doctrine\ORM\PersistentCollection {#10711 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#10713 …} +categories: Doctrine\ORM\PersistentCollection {#10715 …} -id: 1 -password: "$2y$13$ZX7Aou2QOPRGkHPp4y5x8OWfxZMoT1BGH7bRLlPP7mwZFTkfiaPGG" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#10717 …} +apId: null +apProfileId: null +apPublicUrl: null +apFollowersUrl: null +apInboxUrl: null +apDomain: null +apPreferredUsername: null +apDiscoverable: null +apManuallyApprovesFollowers: null +privateKey: """ -----BEGIN PRIVATE KEY-----\r\n MIIJQgIBADANBgkqhkiG9w0BAQEFAASCCSwwggkoAgEAAoICAQDleeotz5TBiMlC\r\n 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related_magazines | App\Twig\Components\RelatedMagazinesComponent | 16.0 MiB | 19.33 ms | |
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Input props | [ "magazine" => "askelectronics@discuss.tchncs.de" "tag" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\RelatedMagazinesComponent {#10825 +limit: 4 +tag: null +magazine: "askelectronics@discuss.tchncs.de" +type: "magazine" +title: "related_magazines" +refreshedRandom: false -repository: App\Repository\MagazineRepository {#333 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -twig: Twig\Environment {#1252 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
active_users | App\Twig\Components\ActiveUsersComponent | 16.0 MiB | 29.25 ms | |
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Input props | [ "magazine" => App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } ] |
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Attributes | [] |
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Component | App\Twig\Components\ActiveUsersComponent {#10951 +magazine: App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } -userRepository: App\Repository\UserRepository {#603 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -twig: Twig\Environment {#1252 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
user_avatar | App\Twig\Components\UserAvatarComponent | 16.0 MiB | 0.45 ms | |
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Input props | [ "user" => App\Entity\User {#11398 +avatar: Proxies\__CG__\App\Entity\Image {#11395 …} +cover: Proxies\__CG__\App\Entity\Image {#11396 …} +email: "TCB13@lemmy.world" +username: "@TCB13@lemmy.world" +roles: [] +followersCount: 0 +homepage: "front" +about: "" +lastActive: DateTime @1729518803 {#11218 : 2024-10-21 15:53:23.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#11393 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#11391 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#11389 …} +entries: Doctrine\ORM\PersistentCollection {#11387 …} +entryVotes: Doctrine\ORM\PersistentCollection {#11385 …} +entryComments: Doctrine\ORM\PersistentCollection {#11383 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#11381 …} +posts: Doctrine\ORM\PersistentCollection {#11379 …} +postVotes: Doctrine\ORM\PersistentCollection {#11377 …} +postComments: Doctrine\ORM\PersistentCollection {#11375 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#11373 …} +subscriptions: Doctrine\ORM\PersistentCollection {#11371 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#11369 …} +follows: Doctrine\ORM\PersistentCollection {#11367 …} +followers: Doctrine\ORM\PersistentCollection {#11365 …} +blocks: Doctrine\ORM\PersistentCollection {#11363 …} +blockers: Doctrine\ORM\PersistentCollection {#11361 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#11359 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#11357 …} +reports: Doctrine\ORM\PersistentCollection {#11355 …} +favourites: Doctrine\ORM\PersistentCollection {#11353 …} +violations: Doctrine\ORM\PersistentCollection {#11351 …} +notifications: Doctrine\ORM\PersistentCollection {#11349 …} +awards: Doctrine\ORM\PersistentCollection {#11347 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#11345 …} +categories: Doctrine\ORM\PersistentCollection {#11343 …} -id: 43677 -password: "$2y$13$67WvGuLt4FPbc4trvxnH0ODZHTvTlMWI7kaafAJZUzYiSsXw.KDqi" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#11341 …} +apId: "TCB13@lemmy.world" +apProfileId: "https://lemmy.world/u/TCB13" +apPublicUrl: "https://lemmy.world/u/TCB13" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "TCB13" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729566764 {#11399 : 2024-10-22 05:12:44.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1693492241 {#11397 : 2023-08-31 16:30:41.0 +02:00 } } "width" => 65 "height" => 65 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#11007 +width: 65 +height: 65 +user: App\Entity\User {#11398 +avatar: Proxies\__CG__\App\Entity\Image {#11395 …} +cover: Proxies\__CG__\App\Entity\Image {#11396 …} +email: "TCB13@lemmy.world" +username: "@TCB13@lemmy.world" +roles: [] +followersCount: 0 +homepage: "front" +about: "" +lastActive: DateTime @1729518803 {#11218 : 2024-10-21 15:53:23.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#11393 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#11391 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#11389 …} +entries: Doctrine\ORM\PersistentCollection {#11387 …} +entryVotes: Doctrine\ORM\PersistentCollection {#11385 …} +entryComments: Doctrine\ORM\PersistentCollection {#11383 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#11381 …} +posts: Doctrine\ORM\PersistentCollection {#11379 …} +postVotes: Doctrine\ORM\PersistentCollection {#11377 …} +postComments: Doctrine\ORM\PersistentCollection {#11375 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#11373 …} +subscriptions: Doctrine\ORM\PersistentCollection {#11371 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#11369 …} +follows: Doctrine\ORM\PersistentCollection {#11367 …} +followers: Doctrine\ORM\PersistentCollection {#11365 …} +blocks: Doctrine\ORM\PersistentCollection {#11363 …} +blockers: Doctrine\ORM\PersistentCollection {#11361 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#11359 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#11357 …} +reports: Doctrine\ORM\PersistentCollection {#11355 …} +favourites: Doctrine\ORM\PersistentCollection {#11353 …} +violations: Doctrine\ORM\PersistentCollection {#11351 …} +notifications: Doctrine\ORM\PersistentCollection {#11349 …} +awards: Doctrine\ORM\PersistentCollection {#11347 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#11345 …} +categories: Doctrine\ORM\PersistentCollection {#11343 …} -id: 43677 -password: "$2y$13$67WvGuLt4FPbc4trvxnH0ODZHTvTlMWI7kaafAJZUzYiSsXw.KDqi" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#11341 …} +apId: "TCB13@lemmy.world" +apProfileId: "https://lemmy.world/u/TCB13" +apPublicUrl: "https://lemmy.world/u/TCB13" +apFollowersUrl: null +apInboxUrl: "https://lemmy.world/inbox" +apDomain: "lemmy.world" +apPreferredUsername: "TCB13" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1729566764 {#11399 : 2024-10-22 05:12:44.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1693492241 {#11397 : 2023-08-31 16:30:41.0 +02:00 } } +asLink: true } |
user_avatar | App\Twig\Components\UserAvatarComponent | 16.0 MiB | 0.31 ms | |
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Input props | [ "user" => App\Entity\User {#11142 +avatar: Proxies\__CG__\App\Entity\Image {#11141 …} +cover: null +email: "birdcat@lemmy.ml" +username: "@birdcat@lemmy.ml" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Appreciate and upvote every reply to my comments/posts if I can detect any effort being put into it; even if I think you completely missed what I tried to say or strongly disagree with your opinion.\n \n Occasionally I cannot resist shitposting, hyperbolic, ironic, sarcastic or populist rhetoric; no /s """ +lastActive: DateTime @1696696022 {#11145 : 2023-10-07 18:27:02.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#11140 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#11138 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#11136 …} +entries: Doctrine\ORM\PersistentCollection {#11134 …} +entryVotes: Doctrine\ORM\PersistentCollection {#11132 …} +entryComments: Doctrine\ORM\PersistentCollection {#11130 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#11128 …} +posts: Doctrine\ORM\PersistentCollection {#11126 …} +postVotes: Doctrine\ORM\PersistentCollection {#11124 …} +postComments: Doctrine\ORM\PersistentCollection {#11122 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#11120 …} +subscriptions: Doctrine\ORM\PersistentCollection {#11118 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#11116 …} +follows: Doctrine\ORM\PersistentCollection {#11114 …} +followers: Doctrine\ORM\PersistentCollection {#11112 …} +blocks: Doctrine\ORM\PersistentCollection {#11110 …} +blockers: Doctrine\ORM\PersistentCollection {#11108 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#11106 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#11104 …} +reports: Doctrine\ORM\PersistentCollection {#11102 …} +favourites: Doctrine\ORM\PersistentCollection {#11100 …} +violations: Doctrine\ORM\PersistentCollection {#11098 …} +notifications: Doctrine\ORM\PersistentCollection {#11096 …} +awards: Doctrine\ORM\PersistentCollection {#11094 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#11092 …} +categories: Doctrine\ORM\PersistentCollection {#11090 …} -id: 21796 -password: "$2y$13$ACNmoGKWwRgm/Njn146GG.b25O8.XXYtlu6ZukGNMl7KWiROcYuzK" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#11088 …} +apId: "birdcat@lemmy.ml" +apProfileId: "https://lemmy.ml/u/birdcat" +apPublicUrl: "https://lemmy.ml/u/birdcat" +apFollowersUrl: null +apInboxUrl: "https://lemmy.ml/inbox" +apDomain: "lemmy.ml" +apPreferredUsername: "birdcat" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1719824521 {#11144 : 2024-07-01 11:02:01.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689039812 {#11143 : 2023-07-11 03:43:32.0 +02:00 } } "width" => 65 "height" => 65 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#11287 +width: 65 +height: 65 +user: App\Entity\User {#11142 +avatar: Proxies\__CG__\App\Entity\Image {#11141 …} +cover: null +email: "birdcat@lemmy.ml" +username: "@birdcat@lemmy.ml" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Appreciate and upvote every reply to my comments/posts if I can detect any effort being put into it; even if I think you completely missed what I tried to say or strongly disagree with your opinion.\n \n Occasionally I cannot resist shitposting, hyperbolic, ironic, sarcastic or populist rhetoric; no /s """ +lastActive: DateTime @1696696022 {#11145 : 2023-10-07 18:27:02.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#11140 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#11138 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#11136 …} +entries: Doctrine\ORM\PersistentCollection {#11134 …} +entryVotes: Doctrine\ORM\PersistentCollection {#11132 …} +entryComments: Doctrine\ORM\PersistentCollection {#11130 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#11128 …} +posts: Doctrine\ORM\PersistentCollection {#11126 …} +postVotes: Doctrine\ORM\PersistentCollection {#11124 …} +postComments: Doctrine\ORM\PersistentCollection {#11122 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#11120 …} +subscriptions: Doctrine\ORM\PersistentCollection {#11118 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#11116 …} +follows: Doctrine\ORM\PersistentCollection {#11114 …} +followers: Doctrine\ORM\PersistentCollection {#11112 …} +blocks: Doctrine\ORM\PersistentCollection {#11110 …} +blockers: Doctrine\ORM\PersistentCollection {#11108 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#11106 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#11104 …} +reports: Doctrine\ORM\PersistentCollection {#11102 …} +favourites: Doctrine\ORM\PersistentCollection {#11100 …} +violations: Doctrine\ORM\PersistentCollection {#11098 …} +notifications: Doctrine\ORM\PersistentCollection {#11096 …} +awards: Doctrine\ORM\PersistentCollection {#11094 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#11092 …} +categories: Doctrine\ORM\PersistentCollection {#11090 …} -id: 21796 -password: "$2y$13$ACNmoGKWwRgm/Njn146GG.b25O8.XXYtlu6ZukGNMl7KWiROcYuzK" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#11088 …} +apId: "birdcat@lemmy.ml" +apProfileId: "https://lemmy.ml/u/birdcat" +apPublicUrl: "https://lemmy.ml/u/birdcat" +apFollowersUrl: null +apInboxUrl: "https://lemmy.ml/inbox" +apDomain: "lemmy.ml" +apPreferredUsername: "birdcat" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1719824521 {#11144 : 2024-07-01 11:02:01.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1689039812 {#11143 : 2023-07-11 03:43:32.0 +02:00 } } +asLink: true } |
user_avatar | App\Twig\Components\UserAvatarComponent | 16.0 MiB | 0.28 ms | |
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Input props | [ "user" => App\Entity\User {#11083 +avatar: Proxies\__CG__\App\Entity\Image {#11082 …} +cover: null +email: "skillissuer@discuss.tchncs.de" +username: "@skillissuer@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: "i should be writing" +lastActive: DateTime @1721044672 {#11086 : 2024-07-15 13:57:52.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#11081 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#11079 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#11077 …} +entries: Doctrine\ORM\PersistentCollection {#11075 …} +entryVotes: Doctrine\ORM\PersistentCollection {#11073 …} +entryComments: Doctrine\ORM\PersistentCollection {#11071 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#11069 …} +posts: Doctrine\ORM\PersistentCollection {#11067 …} +postVotes: Doctrine\ORM\PersistentCollection {#11065 …} +postComments: Doctrine\ORM\PersistentCollection {#11063 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#11061 …} +subscriptions: Doctrine\ORM\PersistentCollection {#11059 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#11057 …} +follows: Doctrine\ORM\PersistentCollection {#11055 …} +followers: Doctrine\ORM\PersistentCollection {#11053 …} +blocks: Doctrine\ORM\PersistentCollection {#11051 …} +blockers: Doctrine\ORM\PersistentCollection {#11049 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#11047 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#11045 …} +reports: Doctrine\ORM\PersistentCollection {#11043 …} +favourites: Doctrine\ORM\PersistentCollection {#11041 …} +violations: Doctrine\ORM\PersistentCollection {#11039 …} +notifications: Doctrine\ORM\PersistentCollection {#11037 …} +awards: Doctrine\ORM\PersistentCollection {#11035 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#11033 …} +categories: Doctrine\ORM\PersistentCollection {#11031 …} -id: 39464 -password: "$2y$13$wQAP4Gif3ESopfZf00xAU.zwr9iTTX.ev3twB9omsse0v00sxuD/G" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#11029 …} +apId: "skillissuer@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/skillissuer" +apPublicUrl: "https://discuss.tchncs.de/u/skillissuer" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "skillissuer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1728245617 {#11085 : 2024-10-06 22:13:37.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691480767 {#11084 : 2023-08-08 09:46:07.0 +02:00 } } "width" => 65 "height" => 65 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#11232 +width: 65 +height: 65 +user: App\Entity\User {#11083 +avatar: Proxies\__CG__\App\Entity\Image {#11082 …} +cover: null +email: "skillissuer@discuss.tchncs.de" +username: "@skillissuer@discuss.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: "i should be writing" +lastActive: DateTime @1721044672 {#11086 : 2024-07-15 13:57:52.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#11081 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#11079 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#11077 …} +entries: Doctrine\ORM\PersistentCollection {#11075 …} +entryVotes: Doctrine\ORM\PersistentCollection {#11073 …} +entryComments: Doctrine\ORM\PersistentCollection {#11071 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#11069 …} +posts: Doctrine\ORM\PersistentCollection {#11067 …} +postVotes: Doctrine\ORM\PersistentCollection {#11065 …} +postComments: Doctrine\ORM\PersistentCollection {#11063 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#11061 …} +subscriptions: Doctrine\ORM\PersistentCollection {#11059 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#11057 …} +follows: Doctrine\ORM\PersistentCollection {#11055 …} +followers: Doctrine\ORM\PersistentCollection {#11053 …} +blocks: Doctrine\ORM\PersistentCollection {#11051 …} +blockers: Doctrine\ORM\PersistentCollection {#11049 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#11047 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#11045 …} +reports: Doctrine\ORM\PersistentCollection {#11043 …} +favourites: Doctrine\ORM\PersistentCollection {#11041 …} +violations: Doctrine\ORM\PersistentCollection {#11039 …} +notifications: Doctrine\ORM\PersistentCollection {#11037 …} +awards: Doctrine\ORM\PersistentCollection {#11035 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#11033 …} +categories: Doctrine\ORM\PersistentCollection {#11031 …} -id: 39464 -password: "$2y$13$wQAP4Gif3ESopfZf00xAU.zwr9iTTX.ev3twB9omsse0v00sxuD/G" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#11029 …} +apId: "skillissuer@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/u/skillissuer" +apPublicUrl: "https://discuss.tchncs.de/u/skillissuer" +apFollowersUrl: null +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "skillissuer" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1728245617 {#11085 : 2024-10-06 22:13:37.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1691480767 {#11084 : 2023-08-08 09:46:07.0 +02:00 } } +asLink: true } |
user_avatar | App\Twig\Components\UserAvatarComponent | 16.0 MiB | 0.28 ms | |
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Input props | [ "user" => App\Entity\User {#11201 +avatar: Proxies\__CG__\App\Entity\Image {#11200 …} +cover: null +email: "jarrodsfarrell@hoosier.social" +username: "@jarrodsfarrell@hoosier.social" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Grounded tech enthusiast, Linux enjoyer, and Indy 500 wannabe that lives in south-east Indiana. \n Go pride. [#LGBTQ](https://hoosier.social/tags/LGBTQ) """ +lastActive: DateTime @1690728142 {#11204 : 2023-07-30 16:42:22.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#11199 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#11197 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#11195 …} +entries: Doctrine\ORM\PersistentCollection {#11193 …} +entryVotes: Doctrine\ORM\PersistentCollection {#11191 …} +entryComments: Doctrine\ORM\PersistentCollection {#11189 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#11187 …} +posts: Doctrine\ORM\PersistentCollection {#11185 …} +postVotes: Doctrine\ORM\PersistentCollection {#11183 …} +postComments: Doctrine\ORM\PersistentCollection {#11181 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#11179 …} +subscriptions: Doctrine\ORM\PersistentCollection {#11177 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#11175 …} +follows: Doctrine\ORM\PersistentCollection {#11173 …} +followers: Doctrine\ORM\PersistentCollection {#11171 …} +blocks: Doctrine\ORM\PersistentCollection {#11169 …} +blockers: Doctrine\ORM\PersistentCollection {#11167 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#11165 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#11163 …} +reports: Doctrine\ORM\PersistentCollection {#11161 …} +favourites: Doctrine\ORM\PersistentCollection {#11159 …} +violations: Doctrine\ORM\PersistentCollection {#11157 …} +notifications: Doctrine\ORM\PersistentCollection {#11155 …} +awards: Doctrine\ORM\PersistentCollection {#11153 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#11151 …} +categories: Doctrine\ORM\PersistentCollection {#11149 …} -id: 20657 -password: "$2y$13$XNERcrvg1/EZkZQbKQ6R6efd5bjo3rlAJRSz0lDRnfkNCV76hr5Me" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#11147 …} +apId: "jarrodsfarrell@hoosier.social" +apProfileId: "https://hoosier.social/users/jarrodsfarrell" +apPublicUrl: "https://hoosier.social/@jarrodsfarrell" +apFollowersUrl: "https://hoosier.social/users/jarrodsfarrell/followers" +apInboxUrl: "https://hoosier.social/inbox" +apDomain: "hoosier.social" +apPreferredUsername: "jarrodsfarrell" +apDiscoverable: false +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1690726862 {#11203 : 2023-07-30 16:21:02.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1688878027 {#11202 : 2023-07-09 06:47:07.0 +02:00 } } "width" => 65 "height" => 65 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#11458 +width: 65 +height: 65 +user: App\Entity\User {#11201 +avatar: Proxies\__CG__\App\Entity\Image {#11200 …} +cover: null +email: "jarrodsfarrell@hoosier.social" +username: "@jarrodsfarrell@hoosier.social" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Grounded tech enthusiast, Linux enjoyer, and Indy 500 wannabe that lives in south-east Indiana. \n Go pride. [#LGBTQ](https://hoosier.social/tags/LGBTQ) """ +lastActive: DateTime @1690728142 {#11204 : 2023-07-30 16:42:22.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: true +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: false +notifyOnNewEntryCommentReply: false +notifyOnNewPost: false +notifyOnNewPostReply: false +notifyOnNewPostCommentReply: false +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#11199 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#11197 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#11195 …} +entries: Doctrine\ORM\PersistentCollection {#11193 …} +entryVotes: Doctrine\ORM\PersistentCollection {#11191 …} +entryComments: Doctrine\ORM\PersistentCollection {#11189 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#11187 …} +posts: Doctrine\ORM\PersistentCollection {#11185 …} +postVotes: Doctrine\ORM\PersistentCollection {#11183 …} +postComments: Doctrine\ORM\PersistentCollection {#11181 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#11179 …} +subscriptions: Doctrine\ORM\PersistentCollection {#11177 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#11175 …} +follows: Doctrine\ORM\PersistentCollection {#11173 …} +followers: Doctrine\ORM\PersistentCollection {#11171 …} +blocks: Doctrine\ORM\PersistentCollection {#11169 …} +blockers: Doctrine\ORM\PersistentCollection {#11167 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#11165 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#11163 …} +reports: Doctrine\ORM\PersistentCollection {#11161 …} +favourites: Doctrine\ORM\PersistentCollection {#11159 …} +violations: Doctrine\ORM\PersistentCollection {#11157 …} +notifications: Doctrine\ORM\PersistentCollection {#11155 …} +awards: Doctrine\ORM\PersistentCollection {#11153 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#11151 …} +categories: Doctrine\ORM\PersistentCollection {#11149 …} -id: 20657 -password: "$2y$13$XNERcrvg1/EZkZQbKQ6R6efd5bjo3rlAJRSz0lDRnfkNCV76hr5Me" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#11147 …} +apId: "jarrodsfarrell@hoosier.social" +apProfileId: "https://hoosier.social/users/jarrodsfarrell" +apPublicUrl: "https://hoosier.social/@jarrodsfarrell" +apFollowersUrl: "https://hoosier.social/users/jarrodsfarrell/followers" +apInboxUrl: "https://hoosier.social/inbox" +apDomain: "hoosier.social" +apPreferredUsername: "jarrodsfarrell" +apDiscoverable: false +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1690726862 {#11203 : 2023-07-30 16:21:02.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1688878027 {#11202 : 2023-07-09 06:47:07.0 +02:00 } } +asLink: true } |
user_avatar | App\Twig\Components\UserAvatarComponent | 16.0 MiB | 0.29 ms | |
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Input props | [ "user" => App\Entity\User {#11024 +avatar: Proxies\__CG__\App\Entity\Image {#11023 …} +cover: Proxies\__CG__\App\Entity\Image {#11022 …} +email: "vfrmedia@social.tchncs.de" +username: "@vfrmedia@social.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Old roaming Tom Cat (zwerfkater) but still young at heart. Toots EN, (NL,FR,DE). [#DevOpa](https://social.tchncs.de/tags/DevOpa) - interested more in retro tech / culture / aesthetics than new stuff. Also transport and public infrastructure in general (with a UK/European focus)\n \n Welcome to the secret goose shed!\n \n Avatar is a tabby point Siamese cat - header picture is a Stentor FM radio transmitter designed in the Netherlands; popular with small pirate radio broadcasters in late 1980s """ +lastActive: DateTime @1692636225 {#11027 : 2023-08-21 18:43:45.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#11021 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#11019 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#10969 …} +entries: Doctrine\ORM\PersistentCollection {#10971 …} +entryVotes: Doctrine\ORM\PersistentCollection {#10978 …} +entryComments: Doctrine\ORM\PersistentCollection {#10979 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#10981 …} +posts: Doctrine\ORM\PersistentCollection {#10983 …} +postVotes: Doctrine\ORM\PersistentCollection {#10980 …} +postComments: Doctrine\ORM\PersistentCollection {#10973 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#10991 …} +subscriptions: Doctrine\ORM\PersistentCollection {#10988 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#10996 …} +follows: Doctrine\ORM\PersistentCollection {#10993 …} +followers: Doctrine\ORM\PersistentCollection {#11001 …} +blocks: Doctrine\ORM\PersistentCollection {#11003 …} +blockers: Doctrine\ORM\PersistentCollection {#11005 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#11413 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#11407 …} +reports: Doctrine\ORM\PersistentCollection {#11220 …} +favourites: Doctrine\ORM\PersistentCollection {#11209 …} +violations: Doctrine\ORM\PersistentCollection {#11415 …} +notifications: Doctrine\ORM\PersistentCollection {#11414 …} +awards: Doctrine\ORM\PersistentCollection {#11411 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#11408 …} +categories: Doctrine\ORM\PersistentCollection {#11405 …} -id: 41651 -password: "$2y$13$MR/jvQLw20snj7dhCUOzrerIeJOUi.vmMEXqlAliA6M/KYuWQH.Sa" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#11404 …} +apId: "vfrmedia@social.tchncs.de" +apProfileId: "https://social.tchncs.de/users/vfrmedia" +apPublicUrl: "https://social.tchncs.de/@vfrmedia" +apFollowersUrl: "https://social.tchncs.de/users/vfrmedia/followers" +apInboxUrl: "https://social.tchncs.de/inbox" +apDomain: "social.tchncs.de" +apPreferredUsername: "vfrmedia" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692636225 {#11026 : 2023-08-21 18:43:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1692554254 {#11025 : 2023-08-20 19:57:34.0 +02:00 } } "width" => 65 "height" => 65 "asLink" => true ] |
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Attributes | [] |
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Component | App\Twig\Components\UserAvatarComponent {#11515 +width: 65 +height: 65 +user: App\Entity\User {#11024 +avatar: Proxies\__CG__\App\Entity\Image {#11023 …} +cover: Proxies\__CG__\App\Entity\Image {#11022 …} +email: "vfrmedia@social.tchncs.de" +username: "@vfrmedia@social.tchncs.de" +roles: [] +followersCount: 0 +homepage: "front" +about: """ Old roaming Tom Cat (zwerfkater) but still young at heart. Toots EN, (NL,FR,DE). [#DevOpa](https://social.tchncs.de/tags/DevOpa) - interested more in retro tech / culture / aesthetics than new stuff. Also transport and public infrastructure in general (with a UK/European focus)\n \n Welcome to the secret goose shed!\n \n Avatar is a tabby point Siamese cat - header picture is a Stentor FM radio transmitter designed in the Netherlands; popular with small pirate radio broadcasters in late 1980s """ +lastActive: DateTime @1692636225 {#11027 : 2023-08-21 18:43:45.0 +02:00 } +markedForDeletionAt: null +fields: null +oauthGithubId: null +oauthGoogleId: null +oauthFacebookId: null +oauthKeycloakId: null +hideAdult: true +showSubscribedUsers: true +showSubscribedMagazines: true +showSubscribedDomains: true +preferredLanguages: [] +featuredMagazines: null +showProfileSubscriptions: false +showProfileFollowings: true +markNewComments: false +notifyOnNewEntry: false +notifyOnNewEntryReply: true +notifyOnNewEntryCommentReply: true +notifyOnNewPost: false +notifyOnNewPostReply: true +notifyOnNewPostCommentReply: true +addMentionsEntries: false +addMentionsPosts: true +isBanned: false +isVerified: false +isDeleted: false +isBot: false +spamProtection: true +customCss: null +ignoreMagazinesCustomCss: false +moderatorTokens: Doctrine\ORM\PersistentCollection {#11021 …} +magazineOwnershipRequests: Doctrine\ORM\PersistentCollection {#11019 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#10969 …} +entries: Doctrine\ORM\PersistentCollection {#10971 …} +entryVotes: Doctrine\ORM\PersistentCollection {#10978 …} +entryComments: Doctrine\ORM\PersistentCollection {#10979 …} +entryCommentVotes: Doctrine\ORM\PersistentCollection {#10981 …} +posts: Doctrine\ORM\PersistentCollection {#10983 …} +postVotes: Doctrine\ORM\PersistentCollection {#10980 …} +postComments: Doctrine\ORM\PersistentCollection {#10973 …} +postCommentVotes: Doctrine\ORM\PersistentCollection {#10991 …} +subscriptions: Doctrine\ORM\PersistentCollection {#10988 …} +subscribedDomains: Doctrine\ORM\PersistentCollection {#10996 …} +follows: Doctrine\ORM\PersistentCollection {#10993 …} +followers: Doctrine\ORM\PersistentCollection {#11001 …} +blocks: Doctrine\ORM\PersistentCollection {#11003 …} +blockers: Doctrine\ORM\PersistentCollection {#11005 …} +blockedMagazines: Doctrine\ORM\PersistentCollection {#11413 …} +blockedDomains: Doctrine\ORM\PersistentCollection {#11407 …} +reports: Doctrine\ORM\PersistentCollection {#11220 …} +favourites: Doctrine\ORM\PersistentCollection {#11209 …} +violations: Doctrine\ORM\PersistentCollection {#11415 …} +notifications: Doctrine\ORM\PersistentCollection {#11414 …} +awards: Doctrine\ORM\PersistentCollection {#11411 …} +subscribedCategories: Doctrine\ORM\PersistentCollection {#11408 …} +categories: Doctrine\ORM\PersistentCollection {#11405 …} -id: 41651 -password: "$2y$13$MR/jvQLw20snj7dhCUOzrerIeJOUi.vmMEXqlAliA6M/KYuWQH.Sa" -totpSecret: null -totpBackupCodes: [] -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#11404 …} +apId: "vfrmedia@social.tchncs.de" +apProfileId: "https://social.tchncs.de/users/vfrmedia" +apPublicUrl: "https://social.tchncs.de/@vfrmedia" +apFollowersUrl: "https://social.tchncs.de/users/vfrmedia/followers" +apInboxUrl: "https://social.tchncs.de/inbox" +apDomain: "social.tchncs.de" +apPreferredUsername: "vfrmedia" +apDiscoverable: true +apManuallyApprovesFollowers: false +privateKey: null +publicKey: null +apFetchedAt: DateTime @1692636225 {#11026 : 2023-08-21 18:43:45.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1692554254 {#11025 : 2023-08-20 19:57:34.0 +02:00 } } +asLink: true } |
related_categories | App\Twig\Components\RelatedCategoriesComponent | 16.0 MiB | 3.12 ms | |
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Input props | [ "magazine" => "askelectronics@discuss.tchncs.de" "tag" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\RelatedCategoriesComponent {#11577 +limit: 4 +tag: null +magazine: "askelectronics@discuss.tchncs.de" +type: "related" +title: "related_categories" +refreshedRandom: false -repository: App\Repository\CategoryRepository {#11578 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -twig: Twig\Environment {#1252 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} } |
related_posts | App\Twig\Components\RelatedPostsComponent | 16.0 MiB | 1.55 ms | |
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Input props | [ "magazine" => "askelectronics@discuss.tchncs.de" "tag" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\RelatedPostsComponent {#11654 +limit: 4 +tag: null +magazine: "askelectronics@discuss.tchncs.de" +type: "magazine" +post: null +title: "related_posts" +refreshedRandom: false -repository: App\Repository\PostRepository {#11655 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -twig: Twig\Environment {#1252 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -mentionManager: App\Service\MentionManager {#389 …} } |
related_entries | App\Twig\Components\RelatedEntriesComponent | 16.0 MiB | 7.66 ms | |
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Input props | [ "magazine" => "askelectronics@discuss.tchncs.de" "tag" => null ] |
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Attributes | [] |
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Component | App\Twig\Components\RelatedEntriesComponent {#11727 +limit: 4 +tag: null +magazine: "askelectronics@discuss.tchncs.de" +type: "magazine" +entry: null +title: "related_entries" +refreshedRandom: false -repository: App\Repository\EntryRepository {#270 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -twig: Twig\Environment {#1252 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -mentionManager: App\Service\MentionManager {#389 …} } |
support_us_block | App\Twig\Components\SupportUsBlock | 16.0 MiB | 0.29 ms | |
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Input props | [] |
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Attributes | [] |
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Component | App\Twig\Components\SupportUsBlock {#11796 +subject: ? App\Entity\Contracts\VotableInterface +url: ? string -twig: Twig\Environment {#1252 …} -cache: Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter {#600 …} -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …} -partnerBlockRepository: App\Repository\PartnerBlockRepository {#11797 …} } |
featured_magazines | App\Twig\Components\FeaturedMagazinesComponent | 16.0 MiB | 0.68 ms | |
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Input props | [ "magazine" => App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } ] |
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Attributes | [] |
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Component | App\Twig\Components\FeaturedMagazinesComponent {#11885 +magazine: App\Entity\Magazine {#265 +icon: Proxies\__CG__\App\Entity\Image {#246 …} +name: "askelectronics@discuss.tchncs.de" +title: "askelectronics" +description: """ **For questions about component-level electronic circuits, tools and equipment.**\n \n Rules\n -----\n \n 1: Be nice.\n \n 2: Be on-topic (eg: *Electronic*, not *electrical*).\n \n 3: No commercial stuff, buying, selling or valuations.\n \n 4: Be safe.\n \n --- """ +rules: null +subscriptionsCount: 1 +entryCount: 154 +entryCommentCount: 1230 +postCount: 1 +postCommentCount: 4 +isAdult: false +customCss: null +lastActive: DateTime @1729413608 {#275 : 2024-10-20 10:40:08.0 +02:00 } +markedForDeletionAt: null +tags: null +moderators: Doctrine\ORM\PersistentCollection {#237 …} +ownershipRequests: Doctrine\ORM\PersistentCollection {#233 …} +moderatorRequests: Doctrine\ORM\PersistentCollection {#222 …} +entries: Doctrine\ORM\PersistentCollection {#180 …} +posts: Doctrine\ORM\PersistentCollection {#138 …} +subscriptions: Doctrine\ORM\PersistentCollection {#200 …} +bans: Doctrine\ORM\PersistentCollection {#117 …} +reports: Doctrine\ORM\PersistentCollection {#103 …} +badges: Doctrine\ORM\PersistentCollection {#81 …} +logs: Doctrine\ORM\PersistentCollection {#71 …} +awards: Doctrine\ORM\PersistentCollection {#1346 …} +categories: Doctrine\ORM\PersistentCollection {#1823 …} -id: 11 +apId: "askelectronics@discuss.tchncs.de" +apProfileId: "https://discuss.tchncs.de/c/askelectronics" +apPublicUrl: "https://discuss.tchncs.de/c/askelectronics" +apFollowersUrl: "https://discuss.tchncs.de/c/askelectronics/followers" +apInboxUrl: "https://discuss.tchncs.de/inbox" +apDomain: "discuss.tchncs.de" +apPreferredUsername: "askelectronics" +apDiscoverable: true +apManuallyApprovesFollowers: null +privateKey: null +publicKey: null +apFetchedAt: DateTime @1727247714 {#269 : 2024-09-25 09:01:54.0 +02:00 } +apDeletedAt: null +apTimeoutAt: null +visibility: "visible " +createdAt: DateTimeImmutable @1687144409 {#271 : 2023-06-19 05:13:29.0 +02:00 } } -twig: Twig\Environment {#1252 …} -repository: App\Repository\MagazineRepository {#333 …} } |