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7.31329 6.91056 facet normal -0.0992127 0.014848 -0.994955 vertex -9.68198 -2.48363 0.0440226 facet normal -0.630119 0.773011 0.0735069 facet normal 1.600441e-001 -2.743761e-001 9.482108e-001 facet normal -9.659106e-001 -5.496110e-003 2.588178e-001 vertex 5.038467e+000 2.033890e+000 2.470218e+001 facet normal -0.82034 0.163178 -0.548101 facet normal -1.087067e-001 -4.840000e-004 9.940737e-001 vertex -1.365947e+000 -4.108084e+000 2.495526e+001 facet normal 0.482255 -0.870372 0.0994135 facet normal -0.098413 -0.0148312 -0.995035 vertex -9.98521 0.172147 0.0395563 facet normal -0.181245 0.229572 0.956267 vertex -0.173952 -7.18562 6.88408 vertex 7.07772 -0.359534 6.95295 vertex -4.9518 -5.2649 6.88859 facet normal 0.29705 0.243786 0.923217 facet normal -2.880153e-004 -5.040268e-004 -9.999998e-001 ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some supporting components. ~$6 in parts, mostly down to PCB edge 10.889999999999999mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub connector straight vertical THT female pitch 2.29x1.98mm pin-PCB-offset 3.0300000000000002mm mounting-holes-distance 63.5mm mounting-hole-offset 63.5mm 37-pin D-Sub connector, straight/vertical, THT-mount, male, pitch 2.77x2.84mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf.

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