The power amplifier section also makes use of 2P29L tubes, which have similar characteristics as far as power draw is concerned. Normally, vacuum tubes rely on a resistive heater to eject ...

and she’s produced a stereo tube amp with a few modern features. Electrically it’s a relatively conventional single-ended design using a double triode and a power pentode for each channel.

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

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

The new Virtus S1S is a true masterpiece of the CANOR reference series. It impressively demonstrates CANOR’s ability to ...

Probably one of the most celebrated amplifiers ever made—the 33/303 two-box pre/power amp system from Quad—is back. The British high-end hi-fi brand is reviving the design 57 years after it ...

British Hi-Fi brand Audiolab is adding to its flagship 9000 Series with a new range-topping amplifier system consisting of the 9000Q preamplifier and 9000P stereo power amplifier. The announcement ...

The K2-W vacuum-tube op amp has an LTspice-simulated open loop ... The same simulation used to obtain the power requirements gave the quiescent current for each input as 1.00 nA.