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- Sequential Circuits Pro OneUsed – ExcellentPrice$2,184.93+ $5.46 ShippingGegeartistMehun sur yevre, France(16)
- 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(15,831)
- 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(15,831)
- 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(203)
- Sequential Circuits Pro One jj-wire keybedUsed – Very GoodOriginal Price$125New Price$95+ $90 Shipping$30 price dropSoundmachinesOhope, New Zealand(106)
- Sequential Circuits Pro OneUsed – Very GoodOriginal Price$2,430.20New Price$2,187.18+ $202.52 Shipping$243.02 price dropJ. Braltar & Co.Québec, Canada(13)
- Sequential Circuits Pro One (Serviced / Warranty)Used – ExcellentPrice$2,834.95+ $97.23 ShippingTURNLABAntwerpen, Belgium(1,207)
- Sequential Circuits Pro OneUsed – Very GoodPrice$2,299+ $190 ShippingPaul's BoutiqueToronto, Canada(333)
- Sequential Circuits Pro One Wooden Sides OriginalUsed – ExcellentPrice$108.15+ $42.61 ShippingTURNLABAntwerpen, Belgium(1,207)
- 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(15,831)
- Original Price$3,500New Price$2,450+ $200 Shipping$1,050 price dropJohnny Boy's Gear LockerOakland, CA, United States(7)
- Sequential Circuits Pro One Analog Synthesizer J-wire keyboardUsed – ExcellentPrice$3,171.20+ $216.22 ShippingStar SoundPerth, Australia(8)
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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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