This is a kit from a Korean company known as Gakken. You get all the parts to put together your very own tube amp receiver as well as a pair of speaker to connect to it. The benefits of tube amp sound ...

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 ...

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 ...

So you've decided that you'd like to pick up a headphone amplifier. Like many things in the world of audio, deciding which to buy can be a rabbit hole of different designs, types, and price points. We ...

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.

Japanese designer Koichi Futatsumata, founder of Case-Real studio, has designed a vacuum tube amplifier for electronics manufacturer Elekit. Elekit traditionally manufacture affordable, high-end audio ...

Two Notes has unveiled the Torpedo Reload II, a feature-packed sequel to its reactive load box and attenuator, and it is a serious piece of kit for any player who has a tube amp and needs some extra ...

Looking for a classic vintage power amplifier? The Dynaco ST 70 needs to be on your radar if you crave that classic EL34 tube sound. Not all vintage buys are wins. I hate to burst that bubble with ...

Dynaco hasn’t made equipment in decades. Yet it’s still a name most audiophiles know off-hand. That’s because the American manufacturer left an indelible legacy on the world of hi-fi, thanks in large ...