Sequential Circuits Pro One

Reverb Estimated Used Price Range

  • $1,175$1,835

Adapting their hit Prophet 5 synth architecture to a lower-cost monosynth format, Dave Smith and Sequential Circuits debuted the Pro One in 1981. Featuring a single voice with two VCOs, a 4-pole low pass filter, two ADSR envelopes, onboard arpeggiator, a basic sequencer and very flexible modulation routing for a compact synth of its time. 

Years of Production: 1981 - 1984 

Number of Keys: 37

Polyphony: 1

I/O: Audio, CV

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