Re: Noise issue with DIY variable PSU and audio amplifier
Ok, give that a try as part of the experience , no harm done — and interesting to see what you find. It’s only a few mins’ work.
But realistically, what Lucien says in #25 (last paragraph) and patiently in #27 (middle paragraph) needs to be understood and remedy made accordingly if you want to fix this.
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Al
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