Doepfer A-110-2, Basic VCO for the A-100 modular system, Voltage controlled oscillator, 3-Position toggle switch, Linear FM input and soft-sync input, Tune control range can be set between approx. 1/2 octave and 4 octaves via a jumper, Width: 8 HP / 40.3 mm, Depth: 50 mm (measured from the rear of the front panel), Power requirements: + 12V: 150 mA (warm up period about 30 seconds), 60 mA (continuous operation) -12V: 30mA