MATRIXSYNTH: Oberheim OB-1A early CV/gate monosynth


Friday, April 11, 2025

Oberheim OB-1A early CV/gate monosynth

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via this VEMIA listing

Click the auction link on top when you get there for additional listings.

VEMIA is Peter Forrest's auction house. He is the author of The A-Z of Analogue Synthesizer Books.

"Great early analogue monosynth, serial number 0723, actually called the OB-1A. This version has livery like the OB-X, and it's reasonable to assume that internally it is very much like an OB-X voice with much more individual control. It is in very good working order, with the keyboard re-bushed in the last few weeks. Cosmetically it has some minor paint scrapes - hence our calling it 7/10 cosmetically. An experienced restorer could probably spend a couple of hours and get it back to near-mint. This synth has one mod, quite neatly done on the sloping panel behind the keyboard: a switch to send pitchbend to the CV out, with a corresponding amount knob. Switchable voltage, currently set to 240V with a UK plug. It has the Tauntek CPU mod. Packing 15GBP."

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