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 ...

The Rogue Audio RP-9 tube preamplifier sets a very high standard in the category but is it worth the high asking price? Indeed it is. The Rogue Audio RP-9 is the latest flagship preamplifier from the ...

Upgrades include sonic improvements and new gain control functionality. Price of base model remains the same at $4450. Linear Tube Audio (LTA), the only manufacturer of amplifiers based on David ...

The circuit was designed to create a line preamplifier by acquiring the use of double triode tubes. The circuit comprises of three parts, the main preamplifier circuit with tubes, the input selector ...