Oberheim SEM Pro SN 0393

via this auction

"SEM-PRO. SEM with MIDI to CV Converter and integrated Patchpanel. This version combines the features of the MIDI to CV version (see below) with a 21-jack patchpanel and is personally autographed by me.

Select MIDI channel, controller number and bend range
Select note assignment modes: latest, high note and low note priorities
Select note re-trigger, filter track, LFO reset
A second independent control bus allows velocity, controller data, or channel pressure to modulate either or both VCOs, the filter and the VCA
Transpose function allows different keyboard controllers to utilize the complete MIDI note range
Analog portamento
Input preamp gain control - allows an external audio input to be processed thru the SEM
High precision A-440 Hz tune signal
Control voltages and gate are bought out to rear panel connectors so MIDI to CV function can be used with other CV/Gate gear."





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