I recently had the opportunity to build a lavalliere microphone. The goal is to have a lavalliere microphone drive a small audio amplifier with an appropriate signal level. Technically, the lavalliere ...

The microphone preamplifier circuit design presented in this schematic use SSM2015 produced by Precision Monolithics Inc. (PMI) which offers a high amplification and low noise ( 1.3nV/√f). Has been ...

Over the years I’ve become a student of mic preamp design, building and modifying several along the way and learning a little more each time. Usually, I worked from a kit or published set of plans.

An electronic circuit or stand-alone device that boosts microphone input. A mic preamp is used to adjust the volume of the signal sent to powered speakers or an amplifier. Unlike a phono preamp, there ...

Ever get a song stuck in your head that you don’t necessarily mind being there? My latest benign earworm happens to be “Frankenstein” by the Edgar Winter Group; probably due to what’s been going on at ...