Num="1" name="E" type="passive"/> Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling Audio Jack, 2 x switching (normalling) stereo jack without switching contact, vertical PCB mount, https://www.neutrik.com/en/product/nc4mah A Series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 2.25u Matias/ALPS keyswitch, 1.25u, http://matias.ca/switches/ Matias ALPS.