You may like PRS refreshes tube amp range with the reworked Mark Tremonti MT 15 head and Archon Classic Laney unveils the IR-equipped 120W Supertop head with onboard effects and matching cabs Supro ...

Synergy has unveiled the SYN-20IR, a tube amp head with a revolutionary design that allows players to swap preamp modules in and out, making for a fully customisable guitar amp – and this head has ...

These luxe wireless headphones stick a tube-amp hi-fi on your head, and offer really hardcore Hi-Res Audio support iFI Go Link Max review: one of the best budget USB-C DACs ever ...

Battery life does seem to have taken a hit thanks to the vacuum tube, with an AirPods Max like 20 hours of staying power. You can listen wired over a USB-C cable for high-res 32bit/384kHz audio.

A modern revival Despite its fame, the original McIntosh MC3500 was produced for less than four years, from 1968 to 1971. (Though the New York hi-fi maker claims its vacuum tube design and Unity ...

A conventional tube amplifier has a circuit whose fundamentals were well in place around a hundred years ago, so there are few surprises to be found in building one today. Nevertheless, building ...

A conventional tube amplifier has a circuit whose fundamentals were well in place around a hundred years ago, so there are few surprises to be found in building one today. Nevertheless, building ...

The FiiO’s OP amp just doesn’t have quite the same detail or clarity, and there’s no tube amp, so it doesn’t have that lively, holographic soundstage. (Of course, it’s $2,500 cheaper.

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 ...

Design analysis of the K2-W Vacuum Tube Op Amp’s design and operation reveals the mad science that created a commercial revolution in 1950s and 1960s analog computing.

What you’ll learn: Bob Pease and Walt Jung provide an excellent overview of the K2-W’s circuit design. Philbrick Researches’ K2-W is a very-high-gain op-amp design using only two vacuum tubes.

Building a tube amp is a dream for many engineers and makers alike. But factors like the cost, large enclosure, transformers, and complicated wiring harnesses can scare even the most ambitious away.