- 2 5mm LEDs - 3 x switching (normalling) stereo jack (T/TN/R/RN/S/SN), https://www.neutrik.com/en/product/nj6fd-v 6.35mm (1/4 in) Vertical Jack, Non-switching mono jack without switching contact, horizontal PCB mount, retention spring, https://www.neutrik.com/en/product/ncj9fi-v Combo I series, 3 pole female XLR receptacle, grounding: mating connector shell to pin1 and front panel: 9.8mm (alpha pots sliders: 3mm above panel, ample thunkicons: probably too tight; could work with printed spacers and existing lead lengths alpha pots: barely enough to attach knob 01bb4964a6 Add.