FryKleaner: an Audio Burn-in Generator

In this very popular article published by audioXpress in March 2004, Jim Hagerman explains the design theory behind this popular low-cost DIY kit. The FryKleaner was designed to be a complete self-contained burn-in system. Included on the deceptively small circuit board is a very sophisticated waveform generator and built-in power amplifiers capable of directly driving cables. A wall-wart supplies power.