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Oberheim OB-Mx

“Oberheim OB-MX Synth AS-IS! PLEASE READ!
This is a unit I’m not terribly familiar with, I received it with some other musical equipment. Unit powers on and buttons and knobs all seem responsive. I hooked up a MIDI keyboard to the unit but was unable to produce sound through speakers, possibly an error in the way I have it connected. – see below -” Click here to visit listing on eBay