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Basic glide (for portamento), attack decay sustain release envelope generator synth module. Layout and panel are Kosmo format. * [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 7.5mm holes, not 6mm alpha pots - 9.8mm, +2mm rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? SR2511 series are 11.43? Maybe more? Distance between pcb and front panel, vertical PCB mount, asymmetric push, https://www.neutrik.com/en/product/ncj6fa-h-da Combo A series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, horizontal PCB mount, color coding possible, https://www.neutrik.com/en/product/nc5fav-sw A Series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack, vertical PCB mount, https://www.neutrik.com/en/product/nc3maah-1 AA Series, 3 pole XLR female receptacle with 6.35mm (1/4in) jack receptacle, horizontal pcb mount, replaces NL4MD-V, NL4MD-V-R, NL4MD-V-S, https://www.neutrik.com/en/product/nl4mdxx-v speakON Chassis Connectors, 4 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, replaces NL4MD-V-2, https://www.neutrik.com/en/product/nl4mdxx-v-2 speakON Chassis Connectors, 8 pole chassis connector, grey D-size flange, self tapping screw holes (A-screw), horizontal PCB mount, https://www.neutrik.com/en/product/nc3fbhl1 B Series, 5 pole female receptacle, grounding: mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc5mav-sw A Series, 4 pole chassis connector, black D-size flange, countersunk thru holes, vertical PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc3fbv1-da B Series, 3 pole female XLR receptacle, grounding: mating connector shell to pin1 and front panel, horizontal PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 2.25u, PCB mount, https://www.neutrik.com/en/product/ncj5fi-v-0 Combo I series, 3 pole male XLR receptacle, grounding: mating connector shell to pin1 and front panel, vertical PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 6.25u, http://matias.ca/switches/ Matias ALPS keyswitch 1.75u plate Cherry MX keyswitch, 2.00u, PCB mount, https://www.neutrik.com/en/product/nc4mamh-ph A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, steel retention lug, vertical PCB mount, https://www.neutrik.com/en/product/nc3mbh-1 B Series, 4 pole female XLR receptacle, grounding: mating connector shell and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3fbv2 AA Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector.

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