The Dynaco ST-70 is one of the most popular tube amplifiers ever. First released in 1959, it's still sought after by hi-fi enthusiasts today.

I’ve you ever gone to bed drifting off wishing you had an analogue-ready portable amp for some of the best wired headphones, your sweatiest sound dreams have come true.

Headphone brand Écoute has launched a pair of headphones with a vacuum tube and amplification built-in. The headphones are £652 / $799 / AU$1,303. When it comes to listening on the best ...

This acts as a pre-amp for the audio circuitry, coloring the sound of your music before it reaches the final amplification circuit.

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 on… ...

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 ...

Priced from $10,000, the Feliks Audio Envy Meisterwerk headphone amplifier features all analog circuitry with 300B vacuum tubes.

Astell & Kern SP3000T review: a tube amp in your pocket The hardware is chunky and the software is clunky, but this is the best portable audio player I’ve ever heard.

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.

Circuit: DIY Compact Tube Amp 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 ...

I'm finding myself leaning towards the tube profile at the moment regardless, as I've the option of either amp for now and it's a bit of a novelty to hear these headphones a little bit differently.

Drop unveiled a new innovation in the form of the xDuoo TA-84 OTL Tube Amp/DAC, the first all-tube Output Transformerless (OTL) amplifier introduced by Drop. A company known for its high-quality ...