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If not a half threaded nose and straight PCB pins, https://www.neutrik.com/en/product/nmj4hfd2 M Series, 6.35mm (1/4in) stereo jack, horizontal PCB mount, replaces NL2MD-V, https://www.neutrik.com/en/product/nl2mdxx-v speakON Chassis Connectors, 4 pole male XLR receptacle, grounding: mating connector shell to pin1 and front panel, horizontal PCB mount, retention spring, https://www.neutrik.com/en/product/ncj6fa-v-0 Combo A series, 3 pole female XLR receptacle, grounding: ground contact to mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc4fbv A Series, 3 pole male XLR receptacle, grounding: mating connector shell and front panel, steel retention lug, horizontal 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, horizontal PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 1.00u, plate mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 1.00u, http://matias.ca/switches/ Matias ALPS keyswitch 6.25u PCB Cherry MX keyswitch, 1.00u, PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc5fbv-b B Series, 5 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc3maah AA Series, 3 pole female XLR receptacle, grounding: separate 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: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use GitHub repository * [https://github.com/holmesrichards/precadsr](https://github.com/holmesrichards/precadsr ## Submodules This repo uses submodules aoKicad and Kosmo_panel, which provide needed libaries for KiCad. To clone: submodules avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to apply smooth = 20; // tweak on this one, but many external clock sources cycle between 0v and 5v max // gate out (j4/j10) // clock in (j2/j11) // casc out (j14/j15 // reset/casc in (j1/j13) // gate out (j4/j10) // clock in (j2/j11 // casc out (j14/j15) // reset/casc in (j1/j13 // gate out (j4/j10 .

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