Oberheim OB-X 6-Voice (1979) – Fully Restored – Excellent – Local Pickup Preferred
Rare Find
These don't show up often
Our users rate Reverb
ok we are live on other marketplaces. Possibly at a better price.
Ready to move this piece. Let's make a deal before it goes to other platforms.
Demo video here:
For sale is a 1979 Oberheim OB-X 6-voice analog polyphonic synthesizer in excellent cosmetic and functional condition. This unit has been fully professionally restored and is stable, reliable, and ready for daily studio use.
This is not a project or a fixer — it has been properly serviced and maintained.
Restoration
Recently (late 2024) fully restored by a Retro Pro Audio in Belmon CA. Complete restoration documentation included.
Work includes:
- Power supply unit (PSU): Replaced voltage regulators (including failed LM337), bridge rectifiers, PSU filter caps. Replaced battery and added removeable battery holder. Calibrated
- Full calibration of all 6 voice cards
- Replacement of aging components where required
- Keybed complete service and test
- Control boards were removed and cleaned along with the front panel. All button contacts were cleaned and pots lubricated.
- Installed a dedicated 5.6V power supply for the CV S&H circuit
- Full functional testing and burn-in
- All voices tune correctly and respond evenly across the keyboard.
- Factory patches restored
Much more was done. Full details with photos available upon request. Comes with (unrestored) Oberheim factory volume pedal.
Condition
- Very clean front panel with clear lettering
- Excellent wood end cheeks
- Clean rear panel and jacks
- Only light wear. This instrument does not look 45 years old.
Overall, a very well-preserved OB-X.
Specs
- 6-voice configuration
- No MIDI (original configuration)
- Pratt-Read keybed
- Approx. weight: 65–70 lb
Local Pickup – Strongly Preferred
Due to size, weight, and value, local pickup is strongly preferred and prioritized.
- Buyer welcome to inspect and test in person
- Happy to demonstrate full operation
- Willing to travel for meet up anywhere in CA or NV
Why This One
Clean, fully restored OB-X units with documentation do not come up often, especially at a realistic price. This is a great opportunity for someone who wants a classic Oberheim that’s already been sorted.
Serious buyers only. Happy to answer questions.
demo video available via link above
This item is sold As-Described
This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.
| Listed | 6 months ago |
|---|---|
| Condition | Excellent (Used) Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more |
| Brand | |
| Model |
|
| Finish |
|
| Categories | |
| Year |
|
| Made In |
|
| Number of Keys |
|
| Keyboard Action |
|
| Analog / Digital |
|
| Key Size |
|
| Polyphony |
|
Product safety information may be available here.
