Learn how to create a simple yet effective speaker amplifier using just cardboard and a few basic materials. This DIY project ...

While this op amp may actually have some utility, it is intended mainly as an educational exercise. I guarantee that if you build and experiment with this circuit, you will learn and appreciate what ...

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] 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 ...

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 ...

After seeing video of a beer can turned into a guitar amp, Robert Brenne got inspired to try his hand at home-brewing his own custom music gear out of oddball parts. A mid-20s pop-culture fan, Brenne ...

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 ...

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 ...