Yo-yo So asked:
Would a stereo tube amplifier that uses 7 watts per channel save much more electricity than a stereo transistor amplifier that uses 90 watts per channel?
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Sphere: Related ContentWould a stereo tube amplifier that uses 7 watts per channel save much more electricity than a stereo transistor amplifier that uses 90 watts per channel?
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Tubes are far more inefficient than transistors and use power to heat the tube all the time, whereas transistors only use power when necessary.
In this case though the tube amplifier is likely to use less than the transistor amplifier.