MATRIXSYNTH: Polivoks VCO before and after (Harvestman)


Thursday, November 10, 2011

Polivoks VCO before and after (Harvestman)

Via Scott Jaeger on Facebook where you'll find more pics and captions.

"This set of photographs shows the difference in size between the original Polivoks oscillator card and the Harvestman eurorack module equivalent."

Bottom pic: "Angle shot of my completed implementation of the circuit. That brown square is a Russian NOS mica capacitor that costs a tenth of the Western equivalent. The two "special" Russian ICs are the KR551UD1 (precision op amp used for temperature compensation) and the KR198NT1 (transistor array with matched pair)."


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