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 ...

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

tubes, two ultralinear output transformers and one power transformer. Unlike its previous amplifiers, the Dynaco ST-70 was a ...

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.

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

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.