Valve amplifier

（重定向自Tube amplifier）

Circuit diagram of a single-ended triode

A single-ended class 'A' guitar amplifier chassis, with additional GZ34 valve rectifier installed.

A pre-amplifier design using all power tubes instead of small signal tubes

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 during the 1960s and 1970s. Valve amplifiers are used for applications such as guitar amplifiers, satellite transponders such as DirecTV and GPS, audiophile stereo amplifiers, military applications (such as radar) and very high power radio and UHF television transmitters.

单词	Tube amplifier
释义	Tube amplifier 原声例句彭博商业周刊 We make our own line of tube amplifiers. 我们有自己的电子管放大器生产线。英语百科 Valve amplifier （重定向自Tube amplifier） 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 during the 1960s and 1970s. Valve amplifiers are used for applications such as guitar amplifiers, satellite transponders such as DirecTV and GPS, audiophile stereo amplifiers, military applications (such as radar) and very high power radio and UHF television transmitters.
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