synth_tools

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7.17947 facet normal -3.318476e-001 5.689120e-001 7.524735e-001 facet normal -4.328582e-001 -7.575036e-001 4.886943e-001 facet normal -0.900355 0.423665 0.0993365 vertex -8.76307 4.81754 0 facet normal -0.920058 -0.090613 0.38116 vertex 9.96384 0 2.94279 facet normal 7.851410e-01 -2.872225e-03 6.193104e-01 facet normal -2.845792e-001 -4.980125e-001 8.191448e-001 facet normal 0.880541 0.472774 0.0336386 facet normal 9.537634e-07 -1.000000e+00 -5.001581e-07 facet normal -0.286114 0.95273 0.102199 facet normal -4.589969e-01 8.884379e-01 -1.036970e-04 facet normal 0.423073 -0.690391 0.58683 vertex 2.96974 1.96858 19.8418 vertex 5.86953 1.46953 19.4867 facet normal 0.584876 -0.805015 0.0993523 facet normal 0.881899 -0.471439 2.92089e-06 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 * [How to use](Docs/use.md 96f746fa2d Final tweaks, version submitted to JLCPCB on 20240124 3d279dd88c Finish schematic, add PDF Compare 3 commits » 2bd01a1ff2 Add schematic, start on PCB sandwich, making some final-ish decisions about connecting to front panel and Pin 1, vertical PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3mbhl-b B Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, vertical PCB mount, retention spring, no latch, https://www.neutrik.com/en/product/nc3fbv1-0 B Series, 5 pole female XLR receptacle, grounding: without ground/shell contact, horizontal PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc3fbh1-da B Series, 3 pole male XLR receptacle, switching contacts, grounding: separate ground contact to mating connector shell and front panel, steel retention lug, lateral left PCB mount, https://www.neutrik.com/en/product/ncj5fi-v-0 Combo I series, 3 pole female XLR receptacle, grounding: mating connector shell and front panel, horizontal PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch ISO enter plate Matias/ALPS keyswitch, 1.50u, plate mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 1.50u, http://matias.ca/switches/ Matias ALPS keyswitch 1.00u plate Cherry MX keyswitch ISO enter PCB Cherry MX keyswitch 1.75u plate Cherry MX keyswitch ISO enter plate Matias/ALPS keyswitch, ISO Enter, PCB mount, https://www.neutrik.com/en/product/nc3mbv-0 B Series, 3 pole female XLR receptacle, grounding: mating connector shell and front panel, horizontal PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc3fbh2-da B Series, 3 pole male XLR receptacle, grounding: mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nl4md-h-1 speakON Chassis Connectors, 4 pole female XLR receptacle, grounding: mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc5fav B Series, 5 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel: 9.8mm (alpha pots sliders: 3mm above panel, ample thunkicons: probably too short without extra spacers, use mini toggle switch // reset (manual) -- this is a connection on the 16-pin connectors.

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