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File PCB Notes.txt Notes from MK's PCB livestream - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals 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 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, replaces NL2MD-V, https://www.neutrik.com/en/product/nl2mdxx-v speakON Chassis Connectors, 4 pole chassis connector, metal housing, vertical PCB mount, https://www.neutrik.com/en/product/nc3faav A Series, 4 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, retention spring, https://www.neutrik.com/en/product/ncj10fi-h Combo I series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc3fbv2 AA Series, 3 pole male XLR receptacle, switching contacts, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc4mamh-ph A Series, 3 pole female XLR receptacle, grounding: ground contact to mating connector shell to pin1 and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc3fahr1 A Series, 3 pole female XLR receptacle, grounding: without ground / shell contact, lateral right PCB mount, https://www.neutrik.com/en/product/ncj6fi-v-0 Combo I series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc3fav1-da A Series, 3 pole female XLR receptacle, switching contacts, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc5mbv-b B Series, 3 pole female XLR receptacle, grounding: without ground/shell contact, lateral left PCB mount, https://www.neutrik.com/en/product/nc5mbh B Series, 4 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, replaces NL4MD-V, NL4MD-V-R, NL4MD-V-S, https://www.neutrik.com/en/product/nl4mdxx-v speakON Chassis Connectors, 8 pole chassis connector, nickel metal square G-size flange, self tapping screw holes (A-screw), horizontal PCB mount, retention spring instead of A4 d8eca8dc7e Add note resulting from real TL0x4, fix.

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