A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a signal. Low to medium...

A valve audio amplifier (UK) or vacuum tube audio amplifier (US) is a valve amplifier used for sound reinforcement, sound recording and reproduction....

power amplifier Low-noise amplifier Negative feedback amplifier Optical amplifier Programmable-gain amplifier Tuned amplifier Valve amplifier Power added...

"Maybellene" features a guitar solo with warm overtones created by his small valve amplifier. Pat Hare produced heavily distorted power chords on his electric guitar...

A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.) is a device for electrically amplifying the power of an electrical radio frequency signal....

power valves, a relative of the 6L6. Few speakers then were able to handle more than 15 watts,[citation needed] which meant that an amplifier approaching...

solid-state amplifiers, their perceived sound did not have the excellent audio quality of the best valve amplifiers (see valve audio amplifier). This led...

Virtual Valve Amplifier (VVA) is software algorithm designed and sold by Diamond Cut Productions, Inc. for simulating the sound of various valve amplifier designs...

equipment, musical instrument amplifiers, and devices used in recording studios. Many guitarists prefer using valve amplifiers to solid-state models, often...

power amplifier classes are letter symbols applied to different power amplifier types. The class gives a broad indication of an amplifier's characteristics...