Erica Synths Black VCO Expander
Erica Synths Black VCO Expander, Expansion Module, Extension module for ""Black VCO2"" (Art.: #505108#), Extended waveform mixer plus two octaves sub oscillator, Waveform Mixer / Inverter, Sine / triangle waveform switch, Transistor-based 2-octave sub oscillator, -1 and -2 octave sub-oscillator crossfade, Suboscillator low-pass filter, Diode limiter to output signal amplitude, 3 Simultaneous outputs