Eurorack DIY Behringer 150 PLUS System-H 921 VCOs Ge0sync TB-EFA Module Maffez 110 EXTENDER D3MIX (DeMix) Model A (Simple Version) Model A+ (dual VCA) Model F Model Y (SY-VCO) Mutable Instruments Ripples Pharmasonic Sy-Core Nalasound Look of approval