The heart of the build is a preamplifier that runs off standard 48 V phantom power, and is responsible for both biasing the electret microphone element and acting as a buffer for the mic signal.

The receiver module has a phototransistor to pick up the infrared laser light, and an LM386 audio amplifier to generate the audio signal sent to a pair of headphone. The need to be well-aligned ...

the Knuckles '92 Dual Rec Amplifier emulator, a new stompbox that promises to deliver “the authentic raw sound of punk, alt rock, and metal, along with legendary boosts and award-winning mic ...