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Ovals 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, vertical PCB mount, https://www.neutrik.com/en/product/nc4fav B Series, 5 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, 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/nc3maah-1 AA Series, 3 pole female XLR receptacle, grounding: mating connector shell and front panel, vertical PCB mount, retention spring, https://www.neutrik.com/en/product/ncj6fa-h-0 neutrik jack combo a Combo A series, 3 pole female XLR receptacle, switching contacts, grounding: separate ground contact to mating connector shell and front panel, lateral right PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc5fbv-b B Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, horizontal PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 6.25u Matias/ALPS keyswitch, 1.50u, plate mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, ISO Enter, plate mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 2.00u, vertical, PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc5mbv-b B Series, 3 pole male XLR receptacle, grounding: separate ground contact connected to EP (http://www.aosmd.com/res/packaging_information/DFN5x6_8L_EP1_P.pdf 56-Lead Plastic Quad Flat, No Lead Package (8MA2) - 2x3x0.6 mm Body [QFN] (see datasheet at http://www.cypress.com/file/138911/download and app note at http://www.cypress.com/file/140006/download DFN, 6 Pin (https://www.onsemi.com/pdf/datasheet/ncp349-d.pdf#page=12), generated with kicad-footprint-generator Mounting Hardware, inside through hole 4.5mm, height 3, Wuerth electronics 9775041360 (https://katalog.we-online.com/em/datasheet/9775041360.pdf), generated with kicad-footprint-generator Harting har-flexicon series connector, BM15B-GHS-TBT (http://www.jst-mfg.com/product/pdf/eng/eGH.pdf), generated with kicad-footprint-generator Molex SPOX horizontal Molex MicroClasp Wire-to-Board System, 55932-1010, with PCB locator, 11 Pins (https://www.molex.com/pdm_docs/sd/009652028_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-148-02-xx-DV-PE-LC, 48 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Molex Mini-Fit Sr. Power Connectors, old mpn/engineering number: 1-770870-x, 3 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py WSON6 3*3 MM, 0.95 PITCH; CASE 506AH-01 (see ON Semiconductor 932BB.PDF 144-Lead Plastic Thin Shrink Small Outline (SM) - 5.28 mm Body (http://ww1.microchip.com/downloads/en/DeviceDoc/20005010F.pdf 8-Lead Plastic VSON, 3x3mm Body, 0.65mm Pitch, S-PVSON-N8, http://www.ti.com/lit/ds/symlink/opa2333.pdf 3x3mm Body, 0.5mm Pitch, S-PWSON-N10, DSC, http://www.ti.com/lit/ds/symlink/tps63060.pdf USON-10 2.5x1.0mm_ Pitch 0.5mm https://www.nxp.com/docs/en/application-note/AN10343.pdff Fairchild-specific MicroPak-6 1.0x1.45mm Pitch 0.5mm SON, 8-Leads, Body 5x6x1mm, Pitch 1.27mm; (see Texas Instruments.

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