Re:Low THD PWM audio amp, DIY friendly
by snozolli on Sunday January 15, 2023 @03:50PM
(#34393213)
Possibly Madisound. Their site says they've been around since '72. I have vague recollections of them having a print catalog in the 90s before everything went online.
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It might have been an 80s refresh hifi-leaning variant of eico's catalog:
https://www.ebay.com/itm/255457806571
That cover seems very familiar to me, and I do remember there being a bunch of green on a black background.