synth_tools

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3.476658e-003 6.246964e-001 vertex -4.063003e+000 7.698298e-001 2.484855e+001 facet normal 4.395873e-001 -7.536190e-001 4.886936e-001 facet normal -4.496525e-001 -7.868906e-001 4.226297e-001 facet normal 0.156321 0.0122986 0.98763 vertex 3.79564 -0.43909 18.8084 facet normal 0.00384412 0.367707 0.929934 facet normal 5.008889e-002 -8.468474e-002 9.951480e-001 facet normal -8.338952e-14 -1.000000e+00 -2.531754e-14 facet normal 0.900365 -0.42367 0.0992329 facet normal 0.881919 0.471401 0 vertex -2.40611 1.85105 6.59 facet normal -0.615849 -0.525866 0.586681 facet normal -0.956943 -0.290276 0 vertex -10.2731 4.94726 0.18985 vertex 4.96807 -8.78749 0.0491304 facet normal 0.0645475 -0.533422 0.843383 facet normal -0.225388 -0.184973 0.956548 vertex -5.7099 5.7099 5.88782 facet normal -0.816066 0.54531 -0.191504 facet normal -0.678279 -0.122595 0.724506 facet normal 0.769304 -0.631387 0.0975749 vertex 7.48323 5.00013 3.82299 facet normal -0.56629 0.392923 0.724518 facet normal -7.217078e-01 6.921978e-01 1.520020e-04 vertex -1.027117e+02 1.037339e+02 4.255000e+01 facet normal 0.630682 -0.768461 0.108208 facet normal 5.954177e-14 -1.000000e+00 -3.809693e-13 facet normal -1.000000e+00 -0.000000e+00 -0.000000e+00 vertex -1.041733e+02 9.652563e+01 1.855000e+01 vertex -1.005052e+02 1.053817e+02 1.855000e+01 vertex -9.539322e+01 1.058130e+02 2.655000e+01 facet normal 0.773053 0.634341 -1.43199e-05 facet normal -1.379493e-13 -1.000000e+00 -3.723660e-13 facet normal -0.615692 0.525864 0.586848 facet normal 0.741873 -0.638759 0.203989 facet normal 0.392055 -0.2628 0.881606 vertex 6.96824 -0.194578 6.94018 facet normal 0.782844 0.468318 0.409675 facet normal 4.225793e-001 1.881470e-003 9.063240e-001 facet normal -2.880153e-004 -5.040268e-004 -9.999998e-001 ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use 7.5mm holes, not 6mm alpha pots - 9.8mm, +2mm rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? SR2511 series are 11.43? Maybe more? Distance between pcb and front panel: mini toggle: 4mm above panel, ample thunkicons: probably too tight; could work with printed spacers mini toggle: ample space above 11.75mm (existing 1p12t rotaries, use 11.25mm holes to PCB edge 9.12mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 9-pin D-Sub connector straight vertical THT male pitch 2.29x1.98mm pin-PCB-offset 9.4mm 44-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 7.699999999999999mm mounting-holes-distance 47.1mm mounting-hole-offset 47.1mm 25-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.29x1.98mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 62-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.84mm, pin-PCB-offset 14.56mm, distance of mounting holes 47.1mm, distance of mounting holes to PCB edge 7.4799999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 37-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.29x2.54mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 62-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.84mm, pin-PCB-offset 7.699999999999999mm, distance of mounting holes to PCB edge 7.4799999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub connector horizontal angled 90deg THT male.

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