Audio Projects

Audio projects are presented in two groups, according to their predominant use: amateur radio or home entertainment. These links lead directly to the relevant pages:


Audio Projects for Home Entertainment

These projects concentrate on systems designed to reproduce music - mono or stereo, old or new - from different sources and for different purposes. There are also notes on circuit details such as treble/bass control etc.

The refurbished Philips EL6400 PA Amplifier - click on picture to see article published.
EL6400 MkII


Audio Projects for Amateur Radio Stations

The projects described here are primarily designed to reproduce speech and optimize readability, often used as station accessories at amateur radio stations or with commercial/military receivers.

The refurbished AAG BV83 Intercom Amplifier - click on picture to download text.