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. Single-ended amplifiers normally operate in Class A; push–pull amplifiers can also operate in Classes AB or B without excessive net distortion, due to cancellation.
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. Single-ended amplifiers normally operate in Class A; push–pull amplifiers can also operate in Classes AB or B without excessive net distortion, due to cancellation.
Source: Wikipedia "Single-ended triode" · CC BY-SA 4.0
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