900W H-class PA Amp with Limiter - Page 251 - diyAudio
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Old 31st March 2013, 04:40 AM   #2501
black is offline black  Romania
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give all respect mister ravpreet420
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Old 31st March 2013, 01:46 PM   #2502
rizqi is offline rizqi  Indonesia
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nice design,,..
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Old 31st March 2013, 04:29 PM   #2503
black is offline black  Romania
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wiring is wrong at least I found two mistakes
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Old 3rd April 2013, 07:30 AM   #2504
rizqi is offline rizqi  Indonesia
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Where the error?..
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Old 3rd April 2013, 07:51 AM   #2505
black is offline black  Romania
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hier is two eror
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Old 3rd April 2013, 10:43 AM   #2506
rizqi is offline rizqi  Indonesia
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Smile error track will be right

Quote:
Originally Posted by black View Post
hier is two eror
any scheme for that?, i'll help u for rihgt layout,.
thanks...
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Old 4th April 2013, 08:59 PM   #2507
Cheops is offline Cheops  Estonia
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A few years back I had an idea to try HCNW3120 optocoupler/gate driver in class-H output rail switching circuit. The PA had circlotron type output stage with N-MOSFETs. Unfortunately it became only an idea. That time the optocoupler wasnt cheap(30+ )! Now the prizes have come down... Maybe someone will try it on this circuit. IR2117 is only an cheaper but with optocoupling I think the drive circuit will be simpler and its gate drive capability is rated to 10nF(2...2,5A)!
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Old 6th April 2013, 08:10 AM   #2508
Nhor is offline Nhor  Dubai
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Sir mj777
Where did you bought your heatsink here in dubai, coz im interested to build this 900W H-class PA amp of Sir Apex, any idea sir? and how much will cost. You can contact me 0554091121 my email nhor_amarjr@yahoo.com
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Old 19th April 2013, 08:40 AM   #2509
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This is my heatsink..very cheap..
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Old 26th April 2013, 11:06 AM   #2510
jaagut is offline jaagut  Philippines
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This is my heatsink..very cheap..
nice heatsink.

soon i will build h900. still waiting for my parts.
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