[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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In this age of hand-made, boutique gear (not to mention the enforced confinement), many ...

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 ...

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 (unpowered) ...

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 ...

Following on from the launch of the DIY music range from Korg launch last year as Nu:Tekt, Korg has announced that their new HA-S headphone amp kit will be arriving next month and available to ...

The App Store has a few apps designed to make different electric guitar sounds and effects, but you can't exactly hook your guitar up to your iPhone out of the box. Here's how to do it with a simple ...