If you’ve wondered what a preamplifier is, what it exactly does, and whether your audio setup is missing one, we’ve got 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 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 ...

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 ...