There’s a mystique among both audiophiles and musicians about vacuum technology, thus having a tube amp still carries ... The design is inspired by the guitar amps of the 1950s and 1960s so ...

At 59 years old, he finally put together his own stereo tube amplifier and ... power tetrodes which are mostly used by major audio brands for their guitar amplifiers nowadays.

Before the invention of transistors in the 1940s, most electronic amplifiers used thermionic valves ... the reasons many ...