There’s a mystique among both audiophiles and musicians about vacuum technology, thus having a tube amp still carries a bit of a cachet. New ones can be bought for eye-watering prices and old ...

Could this be your tube amp's secret weapon? AmpRxs latest allows you to control the voltage your tube amp is getting, ...

For the electronics enthusiast a tube audio amplifier makes for an interesting and unusual project, and for that reason it’s one tackled by many. [Keri Szafir] is no exception, and she’s ...

The legendary designer is famed for founding Matchless and his early Bad Cat builds –now he’s returned to the boutique firm ...

The feature-packed reactive load box is reimagined with a smaller footprint that's ideal for the home recording enthusiast, ...

MESA/Boogie® is the original boutique Home of Tone, hand-crafting amplifiers of uncompromising quality from the world’s ...

Part 5 provides spec summary of the GP/R K2-W vacuum-tube op amp and discusses measurement constraints/conditions and LTspice modeled output. The K2-W vacuum-tube op ...