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 ...

[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 ...

At the extreme budget end of tube audio lie single-tube amplifiers usually using very cheap small-signal pentodes. They’ve appeared here before in various guises, and a fitting addition to those ...

For a long time, standalone DACs (digital to analog converters) and headphone amps were something only audiophiles bothered with. Now, with the resurgence in popularity of headphones, they’re getting ...

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 ...

We review a lot of audio products here at Techaeris but the Samson QH4 is the first headphone amp we’ve taken a look at. The use cases for a headphone amp vary, from studio recording to educational ...