via this auction

"Modules include, 112 dual VCO, 121 dual VCF, 130 dual VCA, 140 dual envelope & LFO, 110 VCO, VCF, VCA and a 191-J Case/Rack. That's 3 VCO's, 3 VCF's and 3 VCA's in total. A very flexible, powerful system."

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