this is 25 Watt MosFet Audio Amplifier page, is by far the most visited of this site, and is on-line since March 1999. The circuit has been built by many amateurs all around the world and is still very popular: as a logical consequence, in these years this small amplifier was frequently debated in Audio forums and rumors arose about its quiescent current stability and other topics.
Eventfully, I was now able to get and carry to my laboratory one of the first prototypes of the complete Stereo Amplifier I built in 1992 for a friend, so I was very anxious to perform extended tests on this amplifier after 15 years of use.
The tests results, with some added comments are shown below.
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My Zimbio
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