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B/Images/IMG_6777.JPG differ Binary files /dev/null and b/Images/PXL_20210831_001017829.jpg differ Binary files /dev/null and b/sr1_full.png differ aac0a4a5b4 Notes from MK's PCB livestream - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules.

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