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 ...

Gakken's no stranger to build-it-yourself retro audio gear, and it now looks to be trying to bring some of its old school ways to your iPod with its new Vacuum Tube Amplifier kit. As you can see above ...

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 ...

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 ...

Linear Tube Audio’s Century Monoblocks: hand-built ZOTL amps with Screen-Drive tubes, 110 W/8 Ω, low output impedance, and full balanced inputs.

GaN Systems’ bundles a GaN-based audio amplifier and power supply to promote the development of GaN in Class D audio products. The GeN2 reference design enables engineers to realize the benefits of ...

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 ...

Headphone amps are usually pretty simple things. You get an input or two on the back, a headphone output on the front, and a volume knob. That’s all you really need, particularly if you’re not looking ...

Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...

First made in 1959, this is the best-selling tube amplifier of all time. Every product is carefully selected by our editors.