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- Sequential Circuits Pro OneUsed – ExcellentPrice$2,600Local Pickup OnlyIntergalactic EmporiumSan Pedro, CA, United States(3)Reverb Bump
- Sequential Circuits Pro One - Analog Synth - 1981 - Serviced!Used – ExcellentPrice$2,099.99+ $79.33 ShippingSeventy Three RecordsSan Antonio, TX, United States(1,410)Reverb Bump
- Sequential Circuits Pro OneUsed – ExcellentPrice$2,191.30+ $245.75 ShippingWoodland StudiosVancouver, Canada(10)
- Sequential Circuits Pro One (Serviced)Used – Very GoodOriginal Price$2,995New Price$2,545.75+ $40 Shipping$449.25 OffRock N Roll VintageChicago, IL, United States(15,717)
- Sequential Circuits Pro One (MTG Turbo CPU MIDI Mod)Used – Very GoodOriginal Price$2,795New Price$2,375.75+ $40 Shipping$419.25 OffRock N Roll VintageChicago, IL, United States(15,717)
- Sequential Circuits Pro One Analog Monophonic Synthesizer w/ Turbo MIDI Fully Serviced In April 2021Used – ExcellentOriginal Price$2,200New Price$2,000+ $75 Shipping$200 price dropPapa L’s Circuit Farmphiladelphia, PA, United States(201)
- Sequential Circuits Pro One jj-wire keybedUsed – Very GoodOriginal Price$125New Price$95+ $90 Shipping$30 price dropSoundmachinesOhope, New Zealand(103)
- Sequential Circuits Pro OneUsed – Very GoodOriginal Price$2,457.53New Price$2,211.78+ $204.79 Shipping$245.75 price dropJ. Braltar & Co.Québec, Canada(12)
- Sequential Circuits Pro OneUsed – ExcellentPrice$2,750+ $70 ShippingSwitched On Music ElectronicsAustin, TX, United States(3,092)
- Sequential Circuits Pro One (Serviced / Warranty)Used – ExcellentPrice$2,909.40+ $99.78 ShippingTURNLABAntwerpen, Belgium(1,170)
- Sequential Circuits Pro OneUsed – Very GoodPrice$2,299+ $190 ShippingPaul's BoutiqueToronto, Canada(327)
- Sequential Circuits Pro One Wooden Sides OriginalUsed – ExcellentPrice$110.99+ $43.73 ShippingTURNLABAntwerpen, Belgium(1,170)
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Overview
From Dave Smith of today's Dave Smith Instruments, the Sequential Circuits Pro One is a lower-cost, monophonic adaptation of the classic Prophet 5. Released in 1981, the Pro One featured a single voice but two oscillators for added sonic flexibility, a four-pole low pass filter, two ADSR envelope filters, along with an arpeggiator and a very basic sequencer. Topped off with hyper-flexible modulation routing in its relatively compact body, the Sequential Circuits Pro One is am impressive, versatile synth in its own right.
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