[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 ...

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 ...

With the wealth of cheap and highly integrated audio amplifier modules on the market today, it takes a special dedication to roll your own from parts. Especially when those parts include vacuum tubes, ...

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

There are great presents, and then there are truly awesome presents: this home-built vacuum tube iPod amplifier and speakers falls most definitely into the latter category. Given to Peter Redmer by ...

For a long time, standalone DACs (digital to analog converters) and headphone amps were something only audiophiles bothered with. Now, with the resurgence in popularity of headphones, they’re getting ...

I don't know how good they are, but you could check out the bottlehead kits. I have not heard them nor tried to build them, so I'm not much help there, but I though you might want to take a look.

Probably like most people who learned engineering after the 1970s I was never formally taught anything about vacuum tubes. They'd long since been relegated to the electronics history books. But I had ...