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Re:Audio Optocouplers by squarefoot on Sunday September 25, 2022 @07:32AM (#32970438)
> The crude (but wonderful sounding) type like they have in vintage Fender tube amps are used to effect the signal, not pass the entire signal.

Yes, I was referring to the use as variable resistors in compressor circuits; the sound wasn't affected at all but the slow attack-release induced to the dynamics contributed to that particular character in vintage guitar amplifiers.

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