[Ynze] has built an audio ... the amplifier itself. [Ynze] is using a large toroid transformer to drop his local 230V mains down to +25V and -25V. The amplifier circuit itself is simple ...
A recent design by [Selenium] is super simple because it uses a single LM386 audio amplifier IC. You might be surprised that you can convert an audio amplifier to a receiver using just a handful ...
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