MATRIXSYNTH: Pro-modified expanded Oberheim SEM Demo


Saturday, May 24, 2008

Pro-modified expanded Oberheim SEM Demo


YouTube via tempustry. Up for auction here.
"demo of unique pro modified oberheim sem with sub-oscillators and double-sub-oscillators. :-) SEM is being driven externally via a separate (not pictured un-modified Roland TB-303, the one above is a devilfish. :-)

Each SEM VCO has an added mixer section with separate volume pots for simultaneously available sawtooth, square, sub-oscillator, and double sub-oscillator waveforms!

Each mixer section per VCO has an on/off switch with bright blue LED to signify the circuitry is on/active."

1 comment:

  1. sounds quite different from AS semblance

    ReplyDelete

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