Reading an article about the first transistorized Hi-Fi amplifier, [Netzener] got the itch to make one. But what to use for the starting point? Enter an old Radio Shack P-Box stereo amplifier kit.

Here's an interesting one from Kitronik, who we've written about before in conjunction with the BBC micro:bit. The company has now launched a Bluetooth Stereo Amplifier Kit designed for use within ...

About ten years ago I looked into building some audio amps but never did much with it. I'm thinking about it again but am wondering if anyone knows of good companies to buy from? I'm looking at power ...

While we like the idea of plug-and-play set-ups as much as anyone, there’s more to getting the best out of stereo amplifiers than simply powering them up on a hi-fi rack, plugging in speakers and ...

The K-502 tube amplifier kit was designed as a piece of pine that can be mounted on an amplifier although it would be more suitable to put it in a box. The K-502 tube amplifier kit was designed as a ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Brent Butterworth Brent Butterworth is a writer dedicated to audio gear. He ...

It's the pulsating heart of your hi-fi system and, as anyone who's read this publication knows, to ignore its sonic relevance in your setup would be foolish in the extreme. Several long-established ...

If you are considering attending the Defcon 26 hacking conference, taking place on August 9-12th, 2018 this year at Caesar’s Palace in Las Vegas. You may be interested in a new supercool Defcon 26 ...