Korg Polysix – 1981
1 VCO per voice (saw, PW, PWM) + 1 sub-oscillator per voice
1 LFO assignable to VCA,VCF or VCO
Low-pass only, self-oscillates at high resonance. ADSR envelope for VCF (filter). "
VCA uses filter's ADSR envelope or simple gate on-off
Chorus, phaser, ensemble
Arpeggiator (Up, Down, Up/Down, Latch; Full, 2-oct, 1-oct; rate 0.2 to 20 Hz)
Chord memory, Arpeggiator sync in, CV input for filter cutoff.