<div dir="auto">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.</div><div dir="auto">Colin</div><div dir="auto"><br></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Apr 5, 2023 at 11:36 AM David G Dixon via Synth-diy <<a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><u></u>



<div>
<div dir="ltr" align="left"><span>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.</span></div></div>
_______________________________________________<br>
Synth-diy mailing list<br>
<a href="mailto:Synth-diy@synth-diy.org" target="_blank">Synth-diy@synth-diy.org</a><br>
<a href="http://synth-diy.org/mailman/listinfo/synth-diy" rel="noreferrer" target="_blank">http://synth-diy.org/mailman/listinfo/synth-diy</a><br>
Selling or trading? Use <a href="mailto:marketplace@synth-diy.org" target="_blank">marketplace@synth-diy.org</a><br>
</blockquote></div></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><a href="https://thecreativeinitiativeswarehouse.cargo.site/" target="_blank">https://thecreativeinitiativeswarehouse.cargo.site/</a></div><div><a href="https://www.instagram.com/colinmuirdorward/" target="_blank">https://www.instagram.com/colinmuirdorward/</a></div><div><a href="https://www.instagram.com/colinmuirdorward/" target="_blank"><font color="#888888"></font></a><font color="#888888"><a href="https://www.instagram.com/thefollower__________________" target="_blank">https://www.instagram.com/thefollower__________________/</a></font></div></div></div></div></div></div></div>