1979 Oberheim OB-X Rev 1 SN 793509

via this auction

"Most important thing to note- The power supply has completely died. There are kits to fix/rebuild the power supply (very common issue with the OB-X) at synthchaser for $59.99."

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  • Published on Apr 17, 2017 Synth Chaser

    "I show you around the inside of an Oberheim OB-8, and we take a look at a dead oscillator which is causing autotune to fail for one of the voices. Then, I install my power supply rebuild kit, which replaces the power supply capacitors and beefs up the bridge rectifiers.

    Parts used in this video are available at my website. I also repair and restore

  • Published on Jun 12, 2017 Synth Chaser


    "In this video, I continue the repair of an OB-Xa for Matrix of matrixsynth.com. We rebuild the power supply and voice cards, and get the synth in tune and sounding consistent from voice card to voice card. I also show you a common defect with the voice cards that prevents proper calibration.

    Parts used in this video series are

  • scott3eh posted a photo:

    Korg M3-m Power Supply

    Korg M3-m Power Supply

Treat Yourself :)