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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: OP with 1 transistor as OutputBuffer posted by groman on March 18, 2002 at 06:30:34:
Groman,I'm thinking of using push-pull Class A BJT in complementary mode. Using just one transistor without DC polazition leads to bad sound as the op-amp fight for the voltage drop by the junction.
Op-amp as follower sound dead, as any high NFB amp. Need to put at least A of 3 to be listenable. But the real problem, is that part sourcing become a problem. I have alot of OPA2134 and 134 that I will never use and I have to bought op-amp faster that I previously think of. Not speaking of those useless BUF634. But these, I keep just in case.
Regards,
Daniel Trudeau
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- Re: OP with 1 transistor as OutputBuffer - eagle1 10:03:17 03/18/02 (0)
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