As any musician, podcaster, or youtuber will be quick to tell you, there’s no substitute for a good microphone ... brass arm of [Matt]’s own design. Finally, the arm is mounted to a wood ...

Electret microphones are capable of high-quality ... but grew tired of routinely having to hunt for obsolete parts. Instead, this design relies on a dual OPA1642 op-amp, with its low quiescent ...