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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: Power Amp Mod: Which Caps Are In The Feedback Loop? posted by Broken Amp on January 3, 2003 at 16:35:09:
47uF 16V is in the feedback loop and connects to ground through a 1K. Also notice there is no DC voltage across this cap. This is bad for most electrolytics so use DigiKey 4291PHCT-ND, a MnO2 cap that allows some reverse DC.
Replace those 1.5uF electrolytics with metal films.
And replace the other electrolytics because they are old.
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Follow Ups
- Re: Power Amp Mod: Which Caps Are In The Feedback Loop? - Tiny Daddy 01/3/0318:16:38 01/3/03 (5)
- Re: Power Amp Mod: Which Caps Are In The Feedback Loop? - Broken Amp 18:41:57 01/3/03 (4)
- Re: Power Amp Mod: Which Caps Are In The Feedback Loop? - john curl 11:41:12 01/4/03 (1)
- Thank-you for the info John! <NT> - Broken Amp 12:04:24 01/5/03 (0)
- Re: Power Amp Mod: Which Caps Are In The Feedback Loop? - Tiny Daddy 20:27:52 01/3/03 (1)
- Thank-you for the info Tiny Daddy <NT> - Broken Amp 10:30:24 01/4/03 (0)
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