[DJJules] had used FETs in the past, but grew tired of routinely having to hunt for obsolete parts ... circuit is designed to fit inside a common BM700 or BM800 microphone body, and the PCB ...

He even connected it to the mic module with some custom cable made from two tiny enameled wires that won’t transmit bumps and vibrations, wrapped inside ... of links to parts, schematics ...