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musical instrument details
Sequential Circuits Pro One Keyboard Synthesizer
Estimated price for orientation: 2 000 $
Category: Sequential Circuits Pro One Keyb
Class:
Description Brand: Sequential Circuits MPN: Does Not Apply Type: Keyboard Synthesizer Model: Pro One Number of Keys: 37 Features: Arpeggiator
(I've received tons of interest on this machine so I'm answering all questions by revising the listing). Fully Restored, tuned, and calibrated. Also refinished wood sides to a beautiful finish. One of the top mono-synths ever made. Can be heard on countless 80s records. An absolute classic machine. The following repairs were done to the synthesizer:Audio Path:Replaced both Oscillator ICs with CEM3340 rev G chips (these are the latest version manufactured in the past year not 35yr old ICs)OSC A timing capacitor replaced (2X) LM348 op Amps replaced (1X) potentiometer replaced (OSC A pulsewidth)OSC A sync transistor replaced (1X) 5532 audio driver replaced cleaned j-wirecalibrated & tunedchecked audio outputchecked CV/Gate ins calibrated VCA Keyboardtuned and scaled to factory specs.Additional: keyboard (J-wire) checked and adjustedCleaned keyboard bus bar. newly refinished wood sides (look beautiful)Please ask questions if you are unsure about anything described here. If you need additional pictures I'd be happy to provide them. Thanks!
Description
| Brand: | Sequential Circuits | MPN: | Does Not Apply |
| Type: | Keyboard Synthesizer | Model: | Pro One |
| Number of Keys: | 37 | Features: | Arpeggiator |
(I've received tons of interest on this machine so I'm answering all questions by revising the listing). Fully Restored, tuned, and calibrated. Also refinished wood sides to a beautiful finish. One of the top mono-synths ever made. Can be heard on countless 80s records. An absolute classic machine. The following repairs were done to the synthesizer:Audio Path:Replaced both Oscillator ICs with CEM3340 rev G chips (these are the latest version manufactured in the past year not 35yr old ICs)OSC A timing capacitor replaced (2X) LM348 op Amps replaced (1X) potentiometer replaced (OSC A pulsewidth)OSC A sync transistor replaced (1X) 5532 audio driver replaced cleaned j-wirecalibrated & tunedchecked audio outputchecked CV/Gate ins calibrated VCA Keyboardtuned and scaled to factory specs.Additional: keyboard (J-wire) checked and adjustedCleaned keyboard bus bar. newly refinished wood sides (look beautiful)Please ask questions if you are unsure about anything described here. If you need additional pictures I'd be happy to provide them. Thanks!