Where are you doing your mixing? You have 2 Stereo outs from Mimeophon and Morphagene but nothing I can see you can mix with.
-- wishbonebrewery

I am thinking about VCA-s as a mixer as well. Do you think I should replace one VCA by mixer?
In case of 3 VCO. As long as I know, 3 Oscillators is a pretty common number.