Big-name tube amplifiers often don’t come cheap. Being the preserve of dedicated audiophiles, those delicate hi-fis put their glass components on show to tell you just how pricy they really ought to ...

If you’re curious about tube amplifiers, the Massdrop x Eddie Current ZDT Jr headphone would be a great place to start. Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end ...

If you want to hear how good your headphones can sound, try plugging them into Schiit Audio's Valhalla vacuum tube headphone amplifier. Ex-movie theater projectionist Steve Guttenberg has also worked ...

[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 ...

Schiit Audio is set to release a new headphone amplifier which pumps out ten times the power of a typical model. The Lyr has been principally developed to drive high power orthodynamic headphones ...

Last year, Gear Patrol contributing staff writer Eric Adams reviewed the Monoprice Stereo Hybrid Tube Amp that comes bundled two 50-watt speakers and 10-foot cables. His conclusion: “I had to keep ...

The Apos x Community Gremlin is a compact fully balanced Class A hybrid amp that delivers impressive warmth, tube rolling flexibility, and big performance for the price. If you’ve spent any time ...

Editor’s note: At the end of the MakerFaire in San Mateo, there is a “Bring a Hack Party “. That is where Ron Quan showed his tube headphone amplifier. Here’s quick circuit for driving high fidelity ...

Even without that striking logo, audio gear from McIntosh Labs has a look all its own, and one that's sure to stand out in any living room setup. The latest addition to the company's high-end catalog ...

The project is known as NP-100v12 which refers to a simple headphone amplifier built around the 12AU7 vacuum tube. The 12AU7 is also known as ECC82 in Europe that is popular in the audio world since ...

Headphone amps are usually pretty simple things. You get an input or two on the back, a headphone output on the front, and a volume knob. That’s all you really need, particularly if you’re not looking ...