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The OB-X was the first of the Oberheim synths, available in 4, 6 or 8 voices. It offers 2 VCOs per voice, one LFO, and one 2 pole lowpass filter with ADSR envelope. Also there is one VCA with an envelope for the volume. There is a polyphonic S&H. The synth has 32 memory patches. It offers CV-Gate control on voice 1 only.


The UB-Xa Synthesizer

...flavor really. The OB-Xa was more popular and sold more (I think) but there was something more juicy about that OBX that I can’t find in any of the other great machines from Tom Oberheim. I dont know anything about the real circumstances of the transfer of the Oberheim company to Gibson back in the...

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Gear Porn thread - pics of your slutty setups

...iMac, DX7IIfd (also primary midi controller). - Arp Odyssey Mk3, Neumann KH102a monitors, DK Synergy (orig), Roland DC-20 BBD, Oberheim OB-x 4 voice. - Not shown: Yamaha E1010 BBD. - Currently making final payments on: Arp Chroma Expander, Roland SH-5. Lotta wires. Big mess. No space (small apt!). Hard to work in. But lotta...

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Troubleshooting OB-X

I did recap the unit, both tants and electrolytics; the only tants I replaced with electrolytics were ones in series with the audio signal. Otherwise I replaced tants with tants as they are much better at filtering digital noise on the rails than electros. As for replacing every CMOS chip, why? There is one very specific...

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