Roland System 100 (1975)
Roland's first analog modular synthesizer system with up to 5 modules: Synthesizer 101, Expander 102, Mixer 103, Sequencer 104, Speaker 105.
Synthesizer 101
Oscillator
- VCO waveforms: triangle, saw, square, pulse (PWM: envelope, manual, LFO)
- Noise generator (white/pink)
Filter
- Low-pass VCF; controls: cutoff, resonance, envelope depth (+/-)
- High-pass filter; controls: cutoff
Envelope
- ADSR envelope generator
LFO
- Rate control
- Waveforms: saw, sine, square
Mixer
- Mixer for VCO, noise and external input
