Many electronic projects require the use of a small audio amplifier. Be it a radio transceiver, a digital voice recorder, or an intercom, they all call for an audio amp that is small, cheap, and has ...

This audio amplifier project utilizes a small input signal of 700uV RMS to driver an 8 Ohm speaker or phones to an extremely loud level. The aluminum case has a total dimension of 3×2.12×5.25in as the ...

Almost all commercially available microphone amplifiers draw their power from a 48V phantom power supply. If this is unavailable or unsuitable, the solution is to build a self-powered amplifier.

Over the years there have been many different audio amplifier designs which have found favour for a while and then been supplanted by newer ideas. One of them has crossed the bench of [Jazzy Jane], it ...

It’s been a few years since we released Episode Attack of the Clone Processors, so I thought it was about time for a sequel. To my surprise, cloning is more popular than ever. The Cloning fad has ...