Tuesday, August 23, 2011
Oberheim OB-8 with Polymod Modification
YouTube Uploaded by songofwhales on Aug 11, 2011
via this auction
"It has been modified to include poly modulation, a feature sorely lacking from the OB-8."
PolyMod Info
"All you need to get the desired effect in the OB-8 is an additional signal path from the VCO2 saw to the filter control node. The OB-8, as well as many other synthesizers, has an opamp that provides a virtual GND summing node for adding separate filter control voltages. For a first test, I connected the saw output of VCO2's CEM3340 with this summing node over a resistor in the 100kOhm range..."
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© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH
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