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BackTolerance; extra_depth = 75 + tolerance; rail_depth = 27.4 + tolerance; // left_rib_x = thickness * 1.2; right_rib_x = width_mm - thickness; // draw panel, subtract holes panel(width); // lower h-rib reinforcer ## Photos [to be added] ## 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, horizontal PCB mount, retention spring, https://www.neutrik.com/en/product/ncj6fi-v Combo I series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3mav-0 A Series, 4 pole chassis connector, black D-size flange, self tapping screw holes (A-screw), https://www.neutrik.com/en/product/nlt4md-v THT Mini XLR 5Pin right angle tht smd hybrid Harting har-flexicon series connector, 502585-1570 (http://www.molex.com/pdm_docs/sd/5025850270_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole M3, height 10.6, Wuerth electronics 9774030982 (https://katalog.we-online.de/em/datasheet/9774030982.pdf), generated with kicad-footprint-generator JST PH series connector, 64800211622 (https://katalog.we-online.com/em/datasheet/6480xx11622.pdf), generated with kicad-footprint-generator Molex KK-254 Interconnect System, old/engineering part number: A-41792-0014 example for new part number: 26-60-4080, 8 Pins per row, Mounting: (http://www.molex.com/pdm_docs/sd/039281043_sd.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 2 times 2.5 mm² wire, basic insulation, conductor diameter 0.48mm, outer diameter 3.9mm, size source Multi-Contact FLEXI-E_0.25 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Molex LY 20 series connector, 53780-1070 (), generated with kicad-footprint-generator Hirose series connector, SM08B-SURS-TF.
- CuK miniature slide switch, EG series, SPDT, https://www.e-switch.com/wp-content/uploads/2022/06/EG.pdf.
- See http://www.hamamatsu.com/resources/pdf/ssd/c12880ma_kacc1226e.pdf 3.2mmx2.7mm, light sensor.
- -2.208553e-01 9.753065e-01 -3.469761e-04 vertex.
- Your choice to distribute Source Code Form.