Do you really need a DAC that costs between $14,000 and $18,000? Bluebird Music thinks the Jadis Vacuum Tube JS5 or JS2 SL ...

Last month at the Bristol Hi-Fi Show in England, WiiM teased the Vibelink Amp, its first audio component without any kind of streaming capabilities. But it didn’t reveal any real details — or even a ...

The Spark 2 from Positive Grid looks like a miniature old-school amp, but it is, essentially, a computer with some knobs and a speaker. It has Bluetooth, USB-C, and an associated smartphone app.

The Diablo 333 amplifier is a fine example of the breed. It is the pricier of the company’s two integrated options, and sits in an extensive range that includes almost every part of the audio chain.

This superb offer sees the two-time What Hi-Fi? Award-winning Marantz PM7000N with £200 off at Amazon. We originally tested the amp at £999, but the price has hovered around the £799 mark in recent ...

We’ve tested the Rockville BluTube amplifier and added it to the Competition section. Whether you’re building a stereo audio system with a brand-new pair of bookshelf speakers or an old set ...

Do you need to apply negative feedback to a triode amplifier? The circuit is simplicity itself, but sadly when we were at university they had long ago stopped teaching the mathematics behind the ...

The triode is one of the simplest kinds of vacuum tubes. Inside its evacuated glass envelope, the triode really is just a few bits of wire and metal. Triodes are able to amplify signals simply by ...