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 ...

The problem with tube based audio is that it has so often been hijacked by people for whom the bragging rights of having a tube amplifier outweigh the benefits, or the sheer fun of building the thing.

La Dolce Audio current drive tube amplifiers challenge traditional designs with user tunable harmonic control and modular ...

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 ...

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 ...

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 ...

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 ...

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 ...

Having built a number of vacuum tube output transformer-less (OTL) amplifiers in recent years, it seemed as though it might be a good idea to try combining older with newer technology and using both ...