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Using cones or cylinders arranged in a ring arrangement; a challenging PCB and/or print job! See PDF at https://raw.githubusercontent.com/kassu/kassutronics/master/documentation/Quantizer/Quantizer_Build_Docs_1.1A.pdf for explanation about PWM smoothing; essentially a 4-stage RC network but with an attenuator, intended for use of gate and CV on the footprint. Some options: Bourns PTL series, such as: Update README.md * [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, https://www.neutrik.com/en/product/nl4md-v-1 speakON Chassis Connectors, 4 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc5mbv-sw B Series, 3 pole female XLR receptacle, grounding: without ground / shell contact, vertical PCB mount, https://www.neutrik.com/en/product/nc3mav B Series, 4 pole male XLR receptacle, grounding: mating connector shell to pin1 and front panel, vertical PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3fbv2-b B Series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack (T/R/S), https://www.neutrik.com/en/product/nj3fd-v 6.35mm (1/4 in) Vertical Jack, 3 x switching (normalling) stereo jack without switching contact, vertical PCB mount, https://www.neutrik.com/en/product/nc3mbhl B Series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack, switched, with half threaded nose, https://www.neutrik.com/en/product/nrj6hh-au Slim Jacks, 6.35mm (1/4in) stereo jack, horizontal PCB mount, additional ground contacts, https://www.neutrik.com/en/product/nc3mbv-e B Series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack, switched, with full threaded nose and offset PCB pins, https://www.neutrik.com/en/product/nmj6hcd3 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, Non-switching stereo jack without switching contact, horizontal PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3mbv-b B Series, 3 pole female XLR receptacle, grounding: mating connector shell to pin1 and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3faah AA Series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3fah2 A Series, 5 pole female XLR receptacle, grounding: ground contact to mating connector shell and front panel, vertical PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3faav1-0 AA Series, 3 pole male XLR receptacle, grounding: mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc3fbh1 B Series, 5 pole male XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3faah AA Series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel.

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