2 layers37.2 × 34 mm

Guitar preamp
dwmorrin/guitar-preamp
High impedance guitar preamp with variable 0 to 33 dB gain.
26 parts
Boards in 1 GitHub repository, designed in KiCad, that use the 112APCX by Switchcraft (-20℃~+65℃ 3A 48V Brass Tin - Audio Connectors ROHS). See how each wires it, with its parts, size, README and files; the 112APCX’s symbol, footprint and pinout are on its own page.

dwmorrin/guitar-preamp
High impedance guitar preamp with variable 0 to 33 dB gain.