Behringer 921B Oscillator

Vintage-sounding 921B VCO module from the '70s.
Controlled via the 921A OSCILLATOR DRIVE module, or may be used as a free-running LFO.
Authentic reproduction of the circuitry from the "Modular 55 & 35" Series.
Separate audio outs for each of the 4 waveforms: sine, triangular, sawtooth and rectangular.