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NL4MD-H-2, https://www.neutrik.com/en/product/nl4mdxx-h-2 speakON Chassis Connectors, 4 pole chassis connector, black D-size flange, countersunk thru holes, vertical PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 2.75u, plate mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 2.75u Matias/ALPS keyswitch, 2.25u, http://matias.ca/switches/ Matias ALPS keyswitch 2.75u Matias/ALPS keyswitch, 1.50u, plate mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 2.00u, PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc5fav-da A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, lateral left PCB mount, https://www.neutrik.com/en/product/ncj6fa-v Combo I series, 3 pole female XLR receptacle, grounding: mating connector shell and front panel, vertical PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 1.00u Matias/ALPS keyswitch, 6.25u, PCB mount, https://www.neutrik.com/en/product/nc3mbhl B Series, 3 pole female XLR receptacle, switching contacts, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/ncj5fi-h-0 neutrik jack combo a Combo A series, 3 pole female XLR receptacle, grounding: without ground / shell contact, vertical PCB mount, replaces NLJ2MD-V, https://www.neutrik.com/en/product/nlj2mdxx-v speakON Chassis Connectors, 8 pole chassis connector, grey D-size flange, countersunk thru holes, vertical PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch ISO enter PCB Cherry MX keyswitch, 1.00u, PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3fav-0 A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3fbh1-b B Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nl4md-v-r speakON Chassis Connectors, 4 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, lateral right PCB mount, https://www.neutrik.com/en/product/nc3mahl A Series, 3 pole female XLR receptacle, grounding: ground contact connected to trigger, gate jack is normalized\nto +12 V, 10 mA -12 V ## Photos [to be added] ## Documentation: ### Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: make power connection traces larger; MK uses .6mm -- this means.

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