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again... incorrect
The louder you play them the more efficient they get, but the current draw does not decrease. They produce less heat when playing music because some of the power they consume is being transferred to the speaker and not being dissipated as heat in the output devices, but total power consumed does not go down.
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Class "A" amps draw the most current at idle, and draw less when playing music. So you are saving money by playing music if it is on.
again... incorrect
The louder you play them the more efficient they get, but the current draw does not decrease. They produce less heat when playing music because some of the power they consume is being transferred to the speaker and not being dissipated as heat in the output devices, but total power consumed does not go down.
.