[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 ...

A small battery-powered headphone amp is a useful item to keep in your tool bag or remote kit. It can provide additional monitoring options when the headphone jack on your mixer is already taken or ...

The biggest and best audiophile projects are usually huge tube amps, monstrous speaker cab builds, or something else equally impressive. It doesn’t always have to be that way, though, as [lowderd] ...

A quick search on Google will bring up countless ways to make DIY speakers (or volume boosting amps) for a smartphone. From a paper cup to a glass jar, nearly all of these will give you some extra ...

Korg officially introduced its line of DIY music gear under the Nu:Tekt name in September. Even before it announced the NTS-1 synth, the company had showed off two other devices: a headphone amp and ...