6HP EXPANDER for THE BATELEUR VCO - adds resonance, cutoff, fm, vca i/o and additional modulation

input

• resonance (cv)
• cutoff (cv)
• fm
• vca (cv)
• vca input

output

• vca out

control

• resonance (0-5v)
• cutoff
• fm
• vca cv
• vca initial amplitude

http://birdkids.org