This SCI Pro One is in great condition. Front is very clean, with minor wear on the sides and some scratches on the bottom. It's fully functional and sounds excellent. All keys trigger properly, pots are clean and switches all working, calibration is good and holds tune. This is the more desirable J-wire keyboard version (serial number is 55xx). Please The only thing worth mentioning is the keys are a bit clacky (but they all work fine). If you want us to rebush the keybed for a small fee send us a message.
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
Sequential Circuits Pro One Owner's Manual
