MATRIXSYNTH: Oberheim SEM


Wednesday, October 17, 2007

Oberheim SEM

images via this auction

"There are a couple of modifications (done before I got it): Audio In and Out jacks are 1/4" instead of the normal 1/8". There is an extra switching potentiometer next to the CV-IN jack which controls GLIDE. A minor drawback for this knob is that the pitch voltage drops a tiny bit when it clicks from OFF to ON.

I will include information on adding/switching patchpoints so that you can change the I/O configuration or modularize the SEM by adding many more patchpoints. There is also a company making a MIDI In retrofit."

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