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[Schematic](Docs/precadsr.pdf) * PCB layout: front, back How to use 7.5mm holes, not 6mm alpha pots - 9.8mm, +2mm rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? Alpha pots: tight, only 1/2 turn for nut 11mm - rotary, SR2511 style, with very large range of in-tune response, but comments discuss potential fixes, maybe worth it for a little complicated. At least it is not the original, so that they align to the schematic and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3mahr A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, lateral right PCB mount, retention spring, https://www.neutrik.com/en/product/ncj10fi-h Combo I series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack, switched, with full threaded nose, straight PCB pins, https://www.neutrik.com/en/product/nmj6hfd2 M Series, 6.35mm (1/4in) mono jack (T/S), https://www.neutrik.com/en/product/nj2fd-v 6.35mm (1/4 in) Vertical Jack, 3 x 3 mm, 0.5 mm pitch, 20 mm fuse holders; Vertical w/o Stability Pins; 250V; 6.3-16A (http://www.cooperindustries.com/content/dam/public/bussmann/Electronics/Resources/product-datasheets/Bus_Elx_DS_2118_HB_PCB_Series.pdf 5 mm x 0.3 mm x 20 mm fuse.

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