It was with considerable interest last month that I set out to track down where in the world there are still factories making tubes. My research found them in Slovakia, Russia, and China, and it’s ...

Line 6's original Spider Valve series got us very excited. Now the modelling giant has returned with the MKII series. As with before, the amp is co-designed with Bogner, so you're potentially getting ...

While some might see enthusiast hi-fi as pursuit for bearded white dudes that spend absurd amounts of money on huge, sometimes spurious bits of audio guff, every now and then something pops up that ...

Raspberry Pi gets an analogue audio amplifier for driving stereo headphones. The 503HTA, Hybrid Tube AMP/DAC is a small Hat size raspberry pi add-on developed by Pi 2 Design. It connects to the PI I2S ...

Headphone amps are usually pretty simple things. You get an input or two on the back, a headphone output on the front, and a volume knob. That’s all you really need, particularly if you’re not looking ...

There are few greater follies in the world of electronics than that of an electronic engineering student who has just discovered the world of hi-fi audio. I was once that electronic engineering ...

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Samsung has announced a new audio dock, which brings with it Samsung's hybrid vacuum tube amplifier tech, aiming to blend the efficiency of solid state digital amplifiers with the natural sound drawn ...

US ex-pat Ken enjoys overgrown boys' toys such as valve audio equipment, LPs, cameras, mechanical watches and fountain pens. He has written four books on luxury hi-fi and collects chronographs. US ...