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 ...

the Dynaco ST-70 is remembered as the best-selling tube amplifier. Ever. Several factors contributed to the ST-70’s ...

The pursuit of audiophile hi-fi is one upon which many ... The audio side of the preamp comes courtesy of a four-tube kit from tubes 4 hi-fi, in which we notice another tube as power supply ...