[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 ...

Onkyo has launched a DIY headphone amplifier kit for hobbyists. The kit is available in Japan for 44,000 Yen (~$300) from the Kyoritsu Electronics Shop. Each unit is made to order and can be ordered ...

At the beginning of this year, I built a DAC using the AK4498EX, which I dubbed the ultimate USB bus-powered DAC. Since then, ...

Steve Carr is the mild-mannered, Midwestern-rooted leader of North Carolina-based Carr Amplifiers. A family man and hi-fi enthusiast with a growing Southern accent, he coagulates his varied job ...

As soon as I have a work bench area, I’m going to start getting into this stuff. The idea of having a headphone amp that I put together all by myself is incredibly attractive to me for some reason.

December 20, 2009 Add as a preferred source on Google Add as a preferred source on Google If you're looking for a super-cheap way to squeeze some extra performance out of your guitar amp, this simple ...

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 ...

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 ...

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 ...