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<DIV dir=ltr align=left><SPAN class=728591519-09022024>Not sure about Baxandall,
but recently I figured out how to put the Korg morphing LFO circuit under
voltage control using 2164. I figure that if that is possible, then the
Baxandall circuit should be a piece of cake. The big problem with 2164 is
that it has to terminate at a virtual ground, so that means that some inverting
opamps always have to be shoehorned in there, even if they are not really needed
or wanted.</SPAN></DIV>
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<DIV dir=ltr align=left><SPAN class=728591519-09022024>I'll work up the
Baxandall circuit this weekend and report back with my findings, and maybe a
demo, next week.</SPAN></DIV><BR>
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<FONT size=2 face=Tahoma><B>From:</B> Mike Bryant
[mailto:mbryant@futurehorizons.com] <BR><B>Sent:</B> Friday, February 09, 2024
2:18 AM<BR><B>To:</B> Adam (synthDIY); David G Dixon<BR><B>Cc:</B>
synth-diy<BR><B>Subject:</B> Re: [sdiy] Unique sounding modules that can't have
voltage control?<BR></FONT><BR></DIV>
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class=elementToProof><SPAN style="FONT-SIZE: 11pt"><BR>> On 9 Feb 2024, at
2:27 pm, David G Dixon via Synth-diy <synth-diy@synth-diy.org>
wrote:<BR>><BR>> I doubt that there are many things that couldn't be put
under voltage<BR>> control with a 2164 and a bit of
ingenuity.<BR></SPAN></DIV>
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class=elementToProof><SPAN style="FONT-SIZE: 11pt">Baxandall tone control
? I imagine it would make the op-amp unstable without a lot of
extra caps.<BR></SPAN></DIV></BODY></HTML>