MATRIXSYNTH: Oberheim OB-X Vintage Polyphonic Synthesizer SN 800504

Sunday, January 21, 2018

Oberheim OB-X Vintage Polyphonic Synthesizer SN 800504


via this auction

"This 8-voice model Oberheim OB-X is fully functional and in good cosmetic condition.

The OB-X is the first in the OB line of synthesizers from Oberheim. These advanced the concept of polyphony from the SEM expansion method of the Two, Four, Eight Voice synthesizers to a series of internally expandable voice cards. The OB-X still retains the SEM filter design rather than the Curtis chip filter of the later models in the OB line."

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