[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 ...

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 ...

If you're looking for a super-cheap way to squeeze some extra performance out of your guitar amp, this simple and inexpensive hack can help you turn something like a thrift store printer stand into a ...

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 ...

We don’t discriminate here. Obviously this amp was made for the use of an iPod but it could also be easily used with any type of audio player using the standard 1/4-inch audio jack. The total cost is ...

On the day mini-amps were invented, electric guitar players the world over rejoiced. No longer would they be house-bound when jamming out on their favourite guitar. It is a doubly wondrous day indeed ...