Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...

[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 ...

[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 ...

In the first part of this two-part blog post I talked about one of my first “up-close-and-personal” experiences with tube-based audio electronics – a home-built hybrid solid-state/tube electrostatic ...

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.

Hand-crafted in New Jersey, the all-tube stereo VPI 299D integrated amp looks, feels and sounds like a winner to the Audiophiliac! Ex-movie theater projectionist Steve Guttenberg has also worked as a ...

Pi 2 Design the developer behind the 503HTA, Hybrid Tube AMP/DAC is a small Hat size Raspberry Pi add-on has upgraded the design to add new features. It has added an analogue line in the 503HTA can be ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Bad Cat / YouTube Mark Sampson, one of the great pioneers of tube amp design, has died. A ...

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 ...

Fender attempts the incredible feat of replicating the historic Bassman with a digital heart in its latest addition to the ...

OK, I admit to cheating a little bit with the title. The Amp in a Can is not really a tube (valve) amp at all, but rather a cheap and cheerful portable guitar amp housed in cardboard tubing that ...

Part 5 provides spec summary of the GP/R K2-W vacuum-tube op amp and discusses measurement constraints/conditions and LTspice modeled output. The K2-W vacuum-tube op ...