Behringer 921 Voltage Controlled Oscillator Modulärt system

Vintage-sounding 921 VCO module from the '70s.
Authentic reproduction of the circuitry from the "Modular 55, 35 & 15" Series.
VCO features 6 selectable waveforms (sine, triangle, saw, inverted saw, square and inverted square).
Pulse width control with 2 separate CV inputs for fat PWM sounds.