I've been growing restless lately, and I've been looking for my next DIY project. I just build my first set of speakers, and I would like to build a tube amp for them. I've wanted to build my own tube ...

[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] design adds ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Half a century ago, vacuum tubes were very common in audio ...

A conventional tube amplifier has a circuit whose fundamentals were well in place around a hundred years ago, so there are few surprises to be found in building one today. Nevertheless, building one ...