[Simon] wrote in to tell us about a headphone tube amp that he just built. It is based on schematics at diyaudioprojects.com that were actually featured on Hackaday in the past. [Simon’s ...

There are plenty of tube amplifiers now being manufactured, with a popular choice being headphone amplifiers that use a tube as a gain stage followed by an op-amp as a buffer with a low impedance ...

The idea of putting a tube in a pair of headphones does tend to bring mental images of massive lightbulb-sized tubes to mind, but Kor ...

A portable DAC/amp is a great way to give your smartphone or laptop an audio upgrade. This one packs the power of an analog ...

Headphone brand Écoute has launched a pair of headphones with a vacuum tube and amplification built-in. The headphones are £652 / $799 / AU$1,303.

Two newly reviewed headphone amps prove to be class leaders in their respective fields, entering our buying guides ...

Astell & Kern CA1000T headphone amplifier: was £2,299 now £999 at ... It combines solid state and tube amplification enabling you to choose between the two modes or mix them together.

Headphone brand Écoute has launched a pair ... If you're familiar with tube amps you'll want to know the expected lifespan of that integrated vacuum tube. According to Écoute the expected ...