[sdiy] what opamp for "warmth"? (I know, I know...)

[ColinMuirDorward]

I can attest to the korg-single-transistor-VCA being an extremely colourful
VCA. I really like it before a vcf. I think you can also build it with two
transistors but I don’t recall it being wildly different.
Colin


On Wed, Apr 5, 2023 at 11:36 AM David G Dixon via Synth-diy <
synth-diy at synth-diy.org> wrote:

> Whatever the VCA is in the Korg MS-20 really warms up the sound of that
> synthesizer.  You can find the schematic on the internet.  I have something
> redrawn by a fellow named Marjan Urekar that I looked at years ago.  It
> involves two transistors.  It is evidently also the VCA used in the Roland
> JX-3P.
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