[sdiy] MOTM-800 clicks. Arg!

[Grant Richter]

> I still don't know if
> there is any VCA out there (if there is tell me, please) that can stand
> such a fast transient without clicking -if it can respond so fast-, and
> I assume most VCAs will be always slower, so will soften that sharp
> transient a bit... or completely?

The problem could be from DC content in the audio waveform. A pulse width
modulated pulse wave always has DC content unless the pulse width is 50%
(assuming it is bipolar). Simply AC coupling the audio signal to the VCA
could be very helpful (using an input coupling cap).