[sdiy] AC coupling caps on MS20 clone

[David G. Dixon]

> Speaking of eliminating CV feedthrough by using DC-blocking caps in
> VCF audio paths  -  some people are eager to use VCFs to process
> sub-audio CV signals and get new wobbly CV curves. This would be best
> without DC-blocking caps. Any thoughts? :-)

I use my Multiplying Modulator to do just that.  Optional 470nF caps in the
signal and modulator paths (on separate switches) make LF inputs all nice
and curvy, and give some very interesting CV effects -- effects which I
would rather NOT reproduce in my filter!