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 ...

If you’ve ever worked with vacuum tubes, you’ll probably have a healthy appreciation for high voltage power supplies. These components require higher potentials to get those electrons moving, or so we ...

It was a cold January Saturday night in Chicago and we had big plans. Buddy Guy’s Legends bar was packed. We setup directly under one of the PA speakers less than 15′ from the stage. Time to celebrate ...

Single handledly redefining what most have come to know as “tube audio”, Resarch Audio brought tube-technology back into the mainstream light when they established themselves as the sole American ...

The three circuits were based on the vacuum tube ECC83 designed to produce phono preamplifiers in compliance with the RIAA standards. Recording Industry Association of America (RIAA) – the trade group ...