Inspired by the BK Butler Tube Driver, a favourite of Joe Satriani and Eric Johnson's, Venus has a heap of tone-shaping ...

Like the 6176, Behringer's 676 packs a mic preamp and FET compressor based on classic UA gear into a rackmount unit. Unlike the 6176, it costs $469 ...

We’re also glad to see an onboard tube preamp with a 3.5mm AUX input. Conveniently, the X2’s vacuum tubes can be swapped for other tube models. An excellent feature for hi-fi fans, this means ...

[Usagi Electric] is breathtakingly close to having his Bendix G15 vacuum tube computer up and running. This week he is joined by a new friend, [Lloyd] who is restoring a G15 as well. [Lloyd] used ...

Q. I am considering upgrading my Polk S50 speakers to the SVS Ultra Evolution Pinnacles as my “lifetime” speakers. What would you recommend for amplification for $2,000, and would the TEAC PD ...

I don’t think it’s any secret that audiophiles are a prickly, perhaps pretentious, bunch. To an extent, it’s understandable. When you find something you’re passionate about, you have a lot ...

Mauchly had attracted the army's attention when he announced in 1942 that he thought vacuum tubes could be used to speed up the mechanical calculators being used at the time. Speedy calculations ...

Nanostructured metamaterials have shown a lot of promise in what they can do in the lab, but often have fatal stress concentration factors that limit their applications. Researchers have now found ...

The 676's mic/line preamp delivers up to 64dB of gain and is equipped with "premium" 12AX7/ECC83S and 12AT7/6072 vacuum tubes that Behringer claims will add "rich, harmonic warmth" to any signal.