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PCB contacts (4 switching contacts), https://www.neutrik.com/en/product/nl4md-v-s speakON Chassis Connectors, 8 pole chassis connector, black D-size flange, countersunk thru holes, vertical PCB mount, https://www.neutrik.com/en/product/nc3mbhr B Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, lateral left PCB mount, https://www.neutrik.com/en/product/nc3mbv A Series, 5 pole female XLR receptacle, grounding: without ground / shell contact, vertical PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3fahr2-0 A Series, 3 pole male XLR receptacle, grounding: mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nl4md-h-3 speakON Chassis Connectors, 4 pole chassis connector, grey D-size flange, countersunk thru holes, horizontal PCB, replaces NL2MD-H, https://www.neutrik.com/en/product/nl2mdxx-h-3 speakON Chassis Connectors, 4 pole chassis connector, gray D-size flange, countersunk thru holes, vertical PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3fbh1-b B Series, 4 pole male XLR receptacle, grounding: separate ground contact connected to shell ground, but not to front panel Added schmancy pcb for v2 front panel 24ca7abc85681936397a2802c8155420fcaf679c updated C14 footprint, traces, groundplane 2cbdb94ba9 updated C5 footprint & tracing; schematic annotation Add 55k-ish resistor to coarse knob (doublecheck this placement). Actual value unclear (see below).

Argument for a single 2.5 mm² wires, reinforced insulation, conductor diameter 1.4mm, outer diameter 2.1mm, size source Multi-Contact FLEXI-E 0.15 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator ipc_noLead_generator.py HVQFN, 24 Pin (https://www.jedec.org/standards-documents/docs/mo-142-d variation CA), generated with kicad-footprint-generator Mounting Hardware, external M3, height 11, Wuerth electronics 9775106360 (https://katalog.we-online.com/em/datasheet/9775106360.pdf), generated with kicad-footprint-generator Hirose DF13C SMD, CL535-0412-6-51, 12 Pins (http://www.molex.com/pdm_docs/sd/022272021_sd.pdf), generated with kicad-footprint-generator Molex Sabre Power Connector, 43160-1102, With thermal vias in pads, 4 Pins (http://www.molex.com/pdm_docs/sd/559320210_sd.pdf), generated with kicad-footprint-generator connector JST EH series connector, S08B-XASK-1N-BN (http://www.jst-mfg.com/product/pdf/eng/eXA1.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 3 times outer diameter, generated with kicad-footprint-generator JST GH top entry Molex Mini-Universal MATE-N-LOK, old mpn/engineering number: 5569-14A2, example for new part number: A-41792-0007 example for new mpn: 39-30-0120, 6 Pins (http://www.molex.com/pdm_docs/sd/022272021_sd.pdf), generated with kicad-footprint-generator JST VH PBT series connector, S24B-PUDSS-1 (http://www.jst-mfg.com/product/pdf/eng/ePUD.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-138-02-xx-DV-TE, 38 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 Nano-Fit Power Connectors, 105309-xx02, 2 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 JST SUR series connector, BM03B-GHS-TBT (http://www.jst-mfg.com/product/pdf/eng/eGH.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 32-Leads, Body 5x5x0.8mm, Pitch 0.5mm, http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/lfcspcp/cp_8_6.pdf LFCSP 8pin 2x2mm 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.

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