1978 Roland Model 101. The Model 101 Synthesizer section is the heart of the famous Roland System 100 modular synthesiser. It is alone a fully self-contained analogue mono-synth that features a 37-note keyboard, 1 VCO with PWM and tuning from 10Hz to 10kHz, external sound-In jack and ADSR envelope generator. With 3.5 patch points, this synthesiser is perfect for the eurorack enthusiast.
