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 ...

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 ...

New valve amps get improved KT150 tube, also available as an upgrade on older models When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Icon Audio ...

Icon Audio has unveiled details of its Stereo 845 pure triode push-pull integrated valve amplifier. The Stereo 845 comprises four matched 845 valves, two 6SL7 first-stage valves, two 6SN7 ...

If you have fancied owning a retro-styled valve stereo headphone amplifier but have thought they are out of your price range, you might be in for a pleasant surprise. Richard Willmott has created a ...

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 ...