To make some room and sell a VCA I built this double VCA/mixer. Nothing really new, I won’t reinvent the wheel. Those are two Yusynth VCA. Both being mixed with another op-amp circuit to an ouput which makes it even more interesting to blend waveform or modulation. It wasn’t really worth it to make a schematic as the Yusynth is quite well documented.
I didn’t include some parts. The pot is used as gain control. It also acts as an attenuator for the CV. I think I’ll change the pot topology in the future.