Enter an old Radio Shack P-Box stereo amplifier kit. After a few modernizations and tweaks, the result is an 8-transistor stereo ... Check out his single tube radio and classic neon “Goofy ...

Over the recent weeks here at Hackaday, we’ve been taking a look at the humble transistor ... a high-impedance audio preamp or a low-noise RF amplifier, and FETs are a good choice for high ...

The first transistor was about half an inch high. That's mammoth by today's standards, when 7 million transistors can fit on a single computer ... first semiconductor amplifier, because when ...