Before transistors or microchips, the earliest computers relied on vacuum tubes — glass bulbs that glowed like small light bulbs and acted as electronic switches. Each tube could represent a one or ...

In a defence tech laboratory in Beijing, a research team powers up a vacuum tube about the size of a pistol. Inside, a stream of electrons surges through thin coiled wires, amplifying microwave pulses ...

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 ...

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 headphones, ...

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 ...

The hardware is chunky and the software is clunky, but this is the best portable audio player I’ve ever heard. If you buy something from a Verge link, Vox Media may earn a commission. See our ethics ...

A simple solution for audio lovers, this Drop + Xduoo DAC and amp combo differentiates itself from the rest thanks to the sweet sound of tubes. PC Gamer's got your back Our experienced team dedicates ...

All electric guitar players know that the amplifier is just as important — if not more — as the guitar itself for shaping your sound. Each major amplifier model has unique dynamics and tonal ...

CES is just days away, and with it comes a wave of wild, eye-catching products like the DukeBox, a concept speaker from LG that combines the old-school cool of vacuum tubes with cutting-edge OLED ...

Prior to Bell Labs’ first working transistor in 1947, which ushered in the advent of semiconductor technology and the computer age, every long-distance telephone call, radio and television broadcast, ...