[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 ...

One of the main challenges many face is finding time to work out. This can often feel impossible with the demands of work, family, and other urgent commitments. Going to the gym typically involves ...

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 ...

Much like vinyl records, tube amplifiers are still prized for their perceived sound qualities, even though both technologies have been largely replaced otherwise. The major drawback to designing ...

As regular readers of this column will know, sometimes we focus on very specific topics and sometimes we meander a bit more ...

IN THE AGE OFwireless speakers and Bluetooth streaming, vacuum-tube amplifiers may seem antiquated, but you don’t have to be an audio nerd to appreciate their appeal. Designed to power traditional ...

Dynaco hasn’t made equipment in decades. Yet it’s still a name most audiophiles know off-hand. That’s because the American manufacturer left an indelible legacy on the world of hi-fi, thanks in large ...

If you’re like us, you were probably enthralled by a hypnotic video that emerged from the depths of the Internet to take charge of Twitter and capture the hearts of millions over the weekend. Just why ...

As anyone who plays the electric guitar can tell you, there’s a lot gear associated with the instrument—amplifiers, reverb pedals, cords and more. This is part of the fun for some, but it can also be ...

The GA-10 is an audiophile-grade headphone amplifier that features the SEPP (single-ended push-pull) circuit with eight vacuum tubes, a linear transformer, and direct tube output. The vacuum tubes ...

First made in 1959, this is the best-selling tube amplifier of all time. Every product is carefully selected by our editors.

In another blow to the Boeing Co. in the wake of the Darleen Druyun hiring scandal, the Government Accountability Office said Feb. 24 that the U.S. Air Force should recompete a portion of the C-130 ...