Originally Posted by GRUNTERSDAD
I was told once by an electrician/electrical engineer friend of mine that a stereo uses more electricity with the volume turned down because of resistance. So zero would be zero resistance and the lower volumes would be a show of resistance. Not totally positive on all of this but that's what I gathered from our conversation.
Right. Stereos are normally on "full blast" all the time. The volume control is an attenuator, it uses passive resistors to quiet it down (like a guitar's volume control).