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Back0]; //left_rib_x = thickness * 1; h_wall(h=4, l=right_rib_x); // middle-bottom h rib pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer ## Photos ### Photos ## 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, https://www.neutrik.com/en/product/nc3fbv1 B Series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc4fah A Series, 5 pole female XLR receptacle, grounding: ground contact to mating connector shell and front panel, lateral left PCB mount, https://www.neutrik.com/en/product/nc3mbh B Series, 4 pole chassis connector, black D-size flange, self tapping screw holes (A-screw), vertical PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3fbh1-b B Series, 3 pole XLR female receptacle with 6.35mm (1/4in) switching stereo jack without switching contact, horizontal PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 2.75u, PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc3fbv2-da B Series, 4 pole male XLR receptacle, grounding: separate ground contact connected to trigger, gate jack is normalized\nto +12 V, and sustain voltage is taken from \npot pin 1 x 1 mm, 734-170 , 10 Pins (http://www.molex.com/pdm_docs/sd/559320530_sd.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502430-6010, 60 Pins per row (http://www.molex.com/pdm_docs/sd/1053091203_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py MPS LGA-18 12x12x3.82mm (https://www.monolithicpower.com/en/documentview/productdocument/index/version/2/document_type/Datasheet/lang/en/sku/MPM3550EGLE/document_id/5102/ Rohm LGA, 10 Pin (https://www.analog.com/media/en/technical-documentation/data-sheets/3471fb.pdf#page=15), generated with kicad-footprint-generator JST ZE series connector, SM03B-GHS-TB (http://www.jst-mfg.com/product/pdf/eng/eGH.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 6 times 0.25 mm² wires, basic insulation, conductor diameter 2.4mm, outer diameter 3mm, see , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00305, 9 pins, pitch 10.2mm, size 45.7x8.3mm^2, drill diamater 1.15mm, pad diameter 2.2mm, see http://www.mouser.com/ds/2/324/ItemDetail_1725672-916605.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block Metz Connect Type094_RT03505HBLU, 5 pins, pitch 10.2mm, size 117x8.3mm^2, drill diamater 1.3mm, pad.
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