[sdiy] Re: [AH] Improving Moog 921A [long]

Paul Schreiber synth1 at airmail.net
Fri Mar 9 06:55:36 CET 2001


>
> I might add that these modifications >>DO NOT<< change the timbre of the
> 921A VCO :)
>

Well, sure, because the 921A is the control voltage "provider" to the
921B(s). 921B
project I'll tackle tomorrow :)

But I don't plan to touch the waveshapers. They are OK as is. BUT...those 3
LM741s
in the DC path are toast. And the crap-ola resistors. And the 0.01 poly cap
has visible *cracks*
all over it (gack!).

Paul S.




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