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 ...

If you’re looking for a DIY amplifier project made with a minimum of parts, this is the build for you. [Rouslan] created a 70 watt class D amplifier using an ATtiny45 and just a few dollars worth of ...

[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 ...

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 ...

MAKE refers us to the best use of a Marlboro pack since, well, its intended one. For under $30, you can build your very own amp, complete with input and headphone jacks, right into your old box of ...

I'd like to monitor the amount of power (in watts) going into my speakers. I'm not concerned about over driving them or anything, I'm just curious how much power I'm actually using. I connected a volt ...

Tell the FCC to shove it with this do-it-yourself amplifier for your Griffin iTrip. The only broadcast license you need is the License to Rock™ (License to Rock™ may not be applicable in Federal court ...

Not much detail here, but some creative soul squeezed a Fender amp into an old cigar box. Although not entirely practical, it’s a fine example of a good way to re-use something you’d otherwise discard ...