View Single Post
  #7  
Old 11-22-2010, 09:51 PM
Coreybox Coreybox is offline
Junior Member
 
Join Date: Sep 2010
Location: Mesquite, TX
Posts: 17
Default Re: Decibel readings backwards

Quote:
Originally Posted by GRUNTERSDAD View Post
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).
Reply With Quote