Re: What is your oldest Homebrew / Kit still in everyday use?
In 1978 I built a project from Radio and Electronics Constructor for college. It was the Duette Stereo Amplifier using the LM377 2-watt IC.
I made my own boards from the layout, but purchased the drilled case.
It was left in various lofts for about 20 years, but I got it out to connect to my PC. But during those years odd things had happened to the soldering. Nevetheless, after a little work it sounded quite good and is now in almost daily use with a pair of LS3/5a speakers, though I doubt it does them justice!
Ian
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