MATRIXSYNTH: OBERHEIM OB-Mx 2 Voice Expansion Card


Saturday, February 27, 2010

OBERHEIM OB-Mx 2 Voice Expansion Card

via this auction

Close up shot of the board. Note the CEM 5508H Octal Sample & Hold. It is also used in the Waldorf Waveslave, mentioned on Till Kopper's site here.

Update via Qwave (Till) in the comments: "This CEM 5508H is used in all versions of the Waldorf MicroWave too: [link]

Spot it in the close up pictures.

The Waldorf WAVE uses 1 CEM PD508 as multiplexer for the analog voltages that feed the analog filter and VCA chips. The CEM 5508H is used for the very same purpose in the MicroWave and WaveSlave."

Posted by matrix at 2/27/2010 10:54:00 AM
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1 comment:

  1. Qwave2/28/10, 1:02 AM

    This CEM 5508H is used in all versions of the Waldorf MicroWave too:
    http://faq.waldorfian.info/mw1-inside.html

    Spot it in the close up pictures.

    The Waldorf WAVE uses 1 CEM PD508 as multiplexer for the analog voltages that feed the analog filter and VCA chips. The CEM 5508H is used for the very same purpose in the MicroWave and WaveSlave.

    ReplyDelete

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