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....

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 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...

The Williamson amplifier is a four-stage, push-pull, Class A triode-output valve audio power amplifier designed by D. T. N. Williamson during World War...

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

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...

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...

specifications and detailed information on the valve audio amplifier, including its development history. Valves (also known as vacuum tubes) are very high...

sound associated with a vacuum tube amplifier (valve amplifier in British English), a vacuum tube-based audio amplifier. At first, the concept of tube sound...

reasons. Amplifiers for harder, heavier genres often use valve amplifiers (known as tube amplifiers in North America) also. Valve amplifiers are perceived...

The Doherty amplifier is a modified class B radio frequency amplifier invented by William H. Doherty of Bell Telephone Laboratories Inc in 1936. Whereas...

RMS-rated wattage – the amplifier mimicked the circuitry of the Fender Bassman but had an all-aluminum chassis, and a 12AX7 valve as the first in the chain...

is a vacuum tube electronic amplifier that uses a single triode to produce an output, in contrast to a push-pull amplifier which uses a pair of devices...

A valve microphone is a condenser microphone which uses a valve amplifier rather than a transistor circuit. Microphones have been in use since the early...

Milbert Amplifiers is an American electronics manufacturer based in Gaithersburg, Maryland. Milbert manufactures audio equipments. It introduces its mobile...

Vox AC30 is a guitar amplifier manufactured by Vox. It was introduced in 1958 to meet the growing demand for louder amplifiers. Characterised by its...

This is a list of notable valve amplifier designs. The first commercially produced amplifier with distortion of 0.1% was the LEAK Type 15 "Point One" of...

audiophiles and electric guitarists also favour the use of valve (vacuum tube) amplifiers, on the ground of sound quality or particular "colour". This...

The Epiphone Valve Junior is a small 5 watt class A electric guitar amplifier. Available as an 8 in (200 mm) speaker combo version or as a head only version...

to its Masonite top and back, with pine outer structure. "All-in-one" Amplifier-Case or Silvertone 1448/1449/1451/1452/1457 is a line of guitar sets introduced...

prefer the pre-JCM800 amplifiers, claiming that those have a warmer, less "brittle" sound. The amplifier was equipped with EL34 valves (tubes) for amps sold...

to the actuator through a pneumatic amplifier relay. The increased output pressure to the actuator causes the valve stem to move. Stem movement is fed...

amplifier itself and the speakers to which it is connected (which must have a 4- or 8-Ohm impedance). The DeVille features a 60-watt valve amplifier with...

The Mesa/Boogie Mark Series is a series of guitar amplifier made by Mesa Engineering (more commonly known as "Mesa/Boogie"). Originally just referred...

making Matamp a model name. The first of the Orange Matamp amplifiers were 100 watt valve amps and were produced in very small numbers in the rear of...

versions are available online. The amplifier used KT88 output valves, two ECC83 preamp valves and one ECC82 valve as a phase inverter. Approximately 1...