In Reply to: Address the sound quality of ELECTROLYTICS on every Rk in the amp. posted by drlowmu on March 25, 2014 at 08:53:23:
By all means replace the electrolytic cathode bypass capacitors with good film caps wherever possible. Recently I have gotten excellent results doing this with the 22 µF, 35V Obbligato caps from DIY Hifi Supply in Hong Kong. If complete replacement is not feasible due to space constraints, at least put a film cap in parallel with the electrolytic.
Another possibility, at least on the first two stages of the Coincident amp, might be to just delete the cathode bypass caps altogether, as the amp looks like it will still have adequate gain. Perhaps others with more experience can comment on whether this would have any ill effects other than reducing the gain by a few dB.
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Follow Ups
- I agree on this point. - JJ Triode 10:18:46 03/25/14 (0)