Sequential Circuits Pro One – 1981

Polyphony

Monophonic

Oscillators

2 VCOs (CEM-3340 chips): : VCO A saw/pulse, VCO B saw/tri/pulse, Noise

LFO

saw, tri, pulse

Filter

CEM-3320 Filter chips: 4-pole lowpass with Cutoff, Resonance, ADSR Envelope, Keyboard Tracking

VCA

ADSR Env

Keyboard

36 keys

Arpeg/Seq

Arepg: UP, UP/DOWN patterns, Latch mode; SEQUENCER: 2 patterns of pitch info only, 40 note capacity.

Control

CV/GATE

Date Produced

1981 - 1984