Big-name tube amplifiers often don’t come cheap. Being the preserve of dedicated audiophiles, those delicate hi-fis put their glass components on show to tell you just how pricy they really ought to ...

When most people think of tube circuits, the first thing that comes to mind is often the use of high-voltage power supplies. It wasn’t a given for tube circuits, though, as a range of low-voltage ...

You kind of have to know why you need it and how/when to use it, but VTP brings convincing valve warmth to any signal. MusicRadar's got your back Our team of expert musicians and producers spends ...