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To, dead center // pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer ## Photos ### Photos ## 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 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, steel retention lug, horizontal PCB mount, self tapping screw holes (A-screw), horizontal PCB mount, https://www.neutrik.com/en/product/nc4mbv A Series, 4 pole female XLR receptacle, grounding: mating connector shell and front panel, vertical PCB mount, retention spring, https://www.neutrik.com/en/product/ncj6fi-v Combo I series, 3 pole female XLR receptacle, grounding: mating connector shell to pin1 and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc3fahr1 A Series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, lateral right PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3faah1-0 AA Series, 3 pole male XLR receptacle, grounding: ground contact to mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc3faav A Series, 4 pole chassis connector, black D-size flange, self tapping screw holes (A-screw), vertical PCB mount, retention spring, https://www.neutrik.com/en/product/ncj6fi-h Combo I series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, lateral right PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3fahl-0 A Series, 3 pole male XLR receptacle, grounding: mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc5mav B Series, 3 pole female XLR receptacle, grounding: separate ground contact connected to shell ground, but not some kind of routing control signals.

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