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IQD Crystal Clock Oscillator EuroQuartz XO91 series, http://cdn-reichelt.de/documents/datenblatt/B400/XO91.pdf, 7.0x5.0mm^2 package FOX SMD Crystal Oscillator Seiko Epson SG-8002JA https://support.epson.biz/td/api/doc_check.php?mode=dl&lang=en&Parts=SG-8002DC, hand-soldering, 10.5x5.0mm^2 package SMD SMT SPST EVQP2 0 4 2 Button_Switch_SMD SW_SPST_EVQP7C Light Touch Switch,https://industrial.panasonic.com/cdbs/www-data/pdf/ATK0000/ATK0000CE20.pdf 0 4 2 Button_Switch_SMD SW_SPST_EVQP2 Light Touch Switch, https://industrial.panasonic.com/cdbs/www-data/pdf/ATK0000/ATK0000CE7.pdf Surface Mount Double Row 2.54mm (0.1 inch) Pitch PCB Connector, M20-89015xx, 15 Pins per row (https://www.hirose.com/product/en/products/DF13/DF13-2P-1.25DSA%2850%29/), generated with kicad-footprint-generator Molex Nano-Fit Power Connectors, 42819-22XX, With thermal vias in pads, 4 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator JST XH series connector, BM02B-SURS-TF (http://www.jst-mfg.com/product/pdf/eng/eSUR.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 52991-0508, 50 Pins (http://www.molex.com/pdm_docs/sd/5019204001_sd.pdf), generated with kicad-footprint-generator Harwin Female Vertical Surface Mount (SMT), Audio Jack Connector (https://www.cuidevices.com/product/resource/sj2-359x-smt.pdf Korean Hroparts Elec PJ-320D-4A (https://datasheet.lcsc.com/lcsc/1810121716_Korean-Hroparts-Elec-PJ-320D-4A_C95562.pdf smt female jack horizontal A Series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack, unswitched, fully threaded nose, https://www.neutrik.com/en/product/nsj12hf-1 Stacking Jacks, Stereo dual jack, full nose, https://www.neutrik.com/en/product/nsj12hc Stacking Jacks, Stereo dual jack, full threaded nose and offset PCB pins, https://www.neutrik.com/en/product/nmj6hfd2 M Series, 6.35mm (1/4in) jack receptacle, vertical pcb mount, https://www.neutrik.com/en/product/nlj2md-h speakON Combo, 2 pole chassis connector, black D-size flange, countersunk thru holes, vertical PCB mount, https://www.neutrik.com/en/product/nc3mbhl B Series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, steel retention lug, horizontal PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3fbv2-b B Series, 5 pole male XLR receptacle, switching contacts, grounding: separate ground contact to mating connector shell to pin1 and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc3fbh2 B Series, 3 pole male XLR receptacle, grounding: separate ground contact connected to shell ground, but not that small - C3 and C4 could use fewer caps that way 7022ad9ddb couple more GND-stitch vias eb8580ef62 Undo converting GND to GND_JMP and fix everything that broke Finished PCB, passes all passable DRCs Show-stopping bugs needing bodges: Errant connection between R25 and R1, probably.

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