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Oberheim Electronics OB-Xa
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The Oberheim OB-Xa is a multitimbral analogue synthesizer that is available in 4, 6 or 8 voice polyphonic models. It offers 2 VCOs per voice with either pulse or sawtooth, a 2 or 4 pole filter based on a Curtis CEM3320 chip with an ADSR envelope, a VCA with an envelope, and 3 LFOs. It also offers portamento, S&H and chord memory. It offers a 61 key keyboard and 32 patches of memory up to 120 depending on the expansion installed. It has the Oberheim digital system installed. It was manufactured 1981.


Oberheim Is Back - OB-X8 Synthesizer have. I think if I was lucky enough to be in the position to have another Obi, (After having an OBXa in ther past), it would have to be a keyboard version. Don't think I could have it in me to do a desktop.

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Oberheim Is Back - OB-X8 Synthesizer

...VCOs per voice deliver classic punchy Oberheim tone Discrete SEM-lineage VCFs deliver authentic OB-X-style tone and presence Genuine Curtis filters add bold OB-Xa/OB-8 character Meticulously modeled envelope responses match each OB model: OB-X, OB-Xa, and OB-8 The 61-key FATAR velocity- and touch-sensitive keyboard allows unparalleled expression and responsiveness Bi-timbral capability allows two presets simultaneously for splits and doubles 400-plus factory...

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