The most recent installment of [Dino Segovis’] Hack a Week covers the construction of a simple NPN transistor audio preamp.Some time ago, he built a small audio amplifier using an LM386 which ...

Enter an old Radio Shack P-Box stereo amplifier kit. After a few modernizations and tweaks, the result is an 8-transistor stereo amplifier that’s aesthetically pleasing, sounds great ...