Oberheim OB-1 Project Machine

“Purchased in 2002. Very clean condition. There is no pulse wave on VCO 2. It came that way when I bought it, so I just leave it on Triangle which sounds just great. The manual says you can vary the slope of the Triangle waves, but I have never been able to do that. You can vary the pulse wave on VCO 1. Everything else works great. Two sub oscillators to create a really fat sound, plus cross mod and sync to get some very interesting sonic explorations. These synths are quite rare and not up for sale very often. They are direct descendants of Oberheim’s SEM modules. A true piece of synthesizer history.”
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