The world's first reactive load box with a Celestion approved load response, the Torpedo Reload II is a compelling sequel ...

An audio amplifier that uses both tubes and transistors. The tube circuits drive the MOSFET transistors at the output stage because transistors can generate more power with less heat and ...

There’s a mystique in audiophile circles about tube amplifiers. They can have a very nice sound which is attributed to their even-harmonic distortion, but they are often portrayed as requiring ...