Learn how to make a speaker amplifier at home with our step-by-step guide! This video provides detailed instructions and tips ...

[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] des… ...

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 ...

[zmashiah] has a nice Nova tube amplifier in his living room, and he often forgets to turn it off once he’s done listening to music. He feels guilty when this happens, as it not only shortens ...

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… ...

Ok, I've looked around, but couldn't find exactly what I'm looking for. My bro. needs (wants) a cheap, fairly low quality DIY amp. He's going to be using it to run some cheap sony speakers ...

DIY guitar amp maker Robert Brenne uses unorthodox raw materials like this Ouija board to make his musical equipment.

I’ve seen a few commercial and DIY tube-amp docks, but they’re expensive, uninspired or both. So I’ve come up with a version that anyone can build for about $400.

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 ...