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 ...

[Simon’s] design adds an on board regulated power supply and a volume control ... To learn more about how tube amplifiers work, check out this Retrotechtacular from earlier in the year.

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

There’s a mystique among both audiophiles and musicians about vacuum technology, thus having a tube amp still carries a ... triode preamp and a single power output tube. The transformers are ...

Last year, the company opened a manufacturing operation in Davis to make, test and cure its millimeter-wave power amplifiers.