[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 ...

The HT voltage is a relatively low 24 V, but it still manages to drive headphones acceptably. Speaker levels require a pre-amp, but even then it’s likely that this circuit is pushing the tube ...

But, to the best of my knowledge, this is the first time the CA1000T has been given the same treatment. This high-end headphone amp usually comes ... solid state and tube amplification enabling ...

The front of the Zen Can 3 is bristling with controls for getting the absolute best sound out of ... [+] this superb little headphone amplifier. The build quality of the Zen Can 3 is exceptional ...

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