Saturday, January 4, 2025

LM386 Stero Amp


 

Testing the amp and speakers I made for my dad for Christmas 2024. He gave me a sheet of LM386 chips and I've used them a ton for hi-fi amps, guitar amps, and guitar effects. I found a basic amp stripboard layout and redesigned it to be as small as possible because I was fitting two in an enclosure to make a stereo amp, so I'm sharing my redesign here (get a dual gang pot for a stereo amp so you don't have to adjust each volume independently). Testing this particular amp the unshielded wires picked up some strange conservative talk radio station I had never hear before...

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