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NL4MD-H-2, https://www.neutrik.com/en/product/nl4mdxx-h-2 speakON Chassis Connectors, 4 pole female XLR receptacle, switching contacts, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3mbh-b B Series, 3 pole female XLR receptacle, grounding: separate ground contact connected to shell ground, but not to front panel 24ca7abc85681936397a2802c8155420fcaf679c updated C14 footprint, traces, groundplane 2cbdb94ba9 updated C5 footprint & tracing; schematic annotation updated C5 footprint & tracing; schematic annotation 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 1 mm² wires, reinforced insulation, conductor diameter 0.9mm, outer diameter 1.5mm, size source Multi-Contact FLEXI-xV 1.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator.

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