MS-20 Monophonic Synthesizer (from a magazine ad) Specifications Control Section - Keyboard: C-C, 37 keys - VCO-1: Scale (32, 16, 8, 4) Waveform (tri, saw, PW, white noise) - VCO-2: Scale (32, 16, 8, 4) Waveform (saw, square, pulse, ring modulator) Pitch - VCO Master Control: Total pitch Portamento FM control x 2 - VCO mixer VCO-1 level VCO-2 level - VCF x 2 (LP & HP): Cut-off frequency Peak fcM control x 2 - EG x 2: D.A.R. H.A.D.S.R. - MG: Waveform (variable triangle, variable pulse) Waveform continuous control Frequency - Manual controller: Control wheel Momentary switch Signal Processor Section - Control Section: Input signal level Low cut frequency High cut frequency CV control Threshold - Input & Output: Signal input Amplifier output BPF output CV output (0-+8 V) EF output (0-+5 V) Trigger output - Indicator: Peak Trigger Patch panel section - Keyboard: Output (Hz/V 0-+8 V) Trigger output VCO-1 2 CV input (Hz/V, 0-+8 V) - VCO-1 + 2: FM Input (OCT/V, -3-+3 V) - VCF: Signal input (3 VP-p max) fcM inputs x 2 (2 OCT/V, -5-+5 V) - VCO + VCF: Control input (-5-+5 V) - VCA: Initial gain control input (0-+5 V) - EG: EG-1 outputs x 2 (-5 -> 0 V, +5 -> 0 V) EG-1 + 2 trigger input EG-1 trigger input EG-2 output - MG: Triangle output Rectangle output - NG: Outputs x 2 (pink, white, 5 Vp-p) - S/H: Clock trigger input Signal input (5 Vp-p) S/H output (5 Vp-p) - Manual controller: Control wheel output (-5-0-+5 V) Momentary switch output - Signal output (2 Vp-p) - Headphone output Dimension: 569 (W) x 249 (H) x 309 (D) mm Weight: 7.7 Kg Accessories: Patch cord = 35 cm x 2, Connection cord Power Consumption: Voltage (local voltage, 50/60 Hz) Wattage (10 W)