BEHRINGER / 921A OSCILLATOR DRIVER

Faithfully reproduces the vintage sound of the 70's. Includes a freqency knob for adjusting octave or semitone frequencies. Rocker switch allows selection of two frequency types. 921B oscillator module controls up to 12 921B oscillators for greater flexibility in sound creation and waveform nuance.

Analog modular synthesizerFeatures

Controls up to 12 921B OSCILLATOR modules
Full-scale reproduction of “Modular 55 & 35” series circuits
Two CV inputs for frequency control and PWM
High current output to drive multiple 921B modules
Switchable semitone/octave selector and pulse width control
Eurorack specifications: 8HP, 15mA +12V, 15mA -12V

Specifications

◆Analog synthesizer module

Frequencies: 1 rotary knob, octave ±6 octaves/±12 semitones, switchable
Semitone/octave switching: rocker switch, ±1 VDC or ±6 VDC
Square wave control range: 10% to 90%, 0 VDC to +6 VDC
Frequency control inputs: 2 x 3.5 mm jacks, combined, 1 V / oct
Square-wave control inputs: 2 x 3.5 mm jacks, combined
Input Impedance: 100 kΩ unbalanced
Maximum input level: -10 VDC to +10 VDC
Frequency control output: 3.5 mm jack x 1, 1V / oct
Rectification width control output: 3.5 mm jack x 1, 1 V / 16%
Power supply: Eurorack
Current: 25 mA (+12 V), 25 mA (-12 V)
Dimensions: 40 x 129 x 35 mm
Rack unit: 8 HP
Mass: 0.09 kg