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Tube sound (or valve sound) is the characteristic sound associated with a vacuum tube amplifier (valve amplifier in British English), a vacuum tube-based audio amplifier. [1] At first, the concept of tube sound did not exist, because practically all electronic amplification of audio signals was done with vacuum tubes and other comparable ...
Thus, valves with low noise at high frequency do not necessarily have low noise in the audio frequency range. For special low-noise audio valves, the frequency at which 1/f noise takes over is reduced as far as possible, maybe to something like a kilohertz. It can be reduced by choosing very pure materials for the cathode nickel, and running ...
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 power valve amplifiers for frequencies below the microwaves were largely replaced by solid state amplifiers in the 1960s and 1970s.
A SET tube audio amplifier. A single-ended triode (SET) 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 with antiphase inputs to generate an output with the wanted signals added and the distortion components subtracted.
GR – Rectifier tube; SR – Transmitter tube; VR – Amplifier tube; The third letter specifies the cooling method: L – Forced air; S – Radiation; V – Vapor (the anode is immersed in evaporating water, and the steam is collected, condensed and recycled) W – Water; The first digit (or the first two digits in double tubes) indicates the ...
A valve RF amplifier (UK and Aus.) or tube amplifier is a device for electrically amplifying the power of an electrical radio frequency signal. Low to medium power valve amplifiers for frequencies below the microwaves were largely replaced by solid state amplifiers during the 1960s and 1970s, initially for receivers and low power stages of ...
The Williamson amplifier is a four-stage, ... Tube complement, 1947 version: 4x L63 ... Frequency range: 10-20000 ...
The 6550 is a beam power tube designed by Tung-Sol for application as an audio frequency power amplifier and introduced in 1954. [136] [137] Tung-Sol literature refers to the 6550 variously as a beam power amplifier, power pentode and beam pentode, with the latter two names viewing the beam confining structure as a fifth electrode. The plate ...
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