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.

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 ...

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 ...

No other audiophile integrated stereo amplifier can match the Rogue Sphinx v2's combination of features, power, build and sound quality for the price. Steve Guttenberg Former contributor Ex-movie ...

It was with considerable interest last month that I set out to track down where in the world there are still factories making tubes. My research found them in Slovakia, Russia, and China, and it’s ...

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 ...