Complex sentence: In a single-ended triode (SET) vacuum tube electronic amplifier the entire audio signal waveform is amplified by the power triode, in contrast to push-pull amplifiers where two output tubes works together in phase opposition.
Split into simpler sentences: In a single-ended triode (SET) vacuum tube electronic amplifier the entire audio signal waveform is amplified by the powertriode. SET are in contrast to push-pull amplifiers where two output tubes works together in phase opposition.