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Old 02-16-2008   #20
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Join Date: May 2007
Location: Florida
Posts: 2,422
Default Re: Amps for dummies

Class A use full power all the time, so they are always ready to output it. They run hot and eat up electricity.

Class B switches on and off as needed, saves power and heat

Class A/B works like class A to a point, then uses class B type switching for the higher outputs.

D are digital or switching amps, they've been around a while but people are really just getting them accepted by the high end. No, all solid state amps are not digital amps.

This is obviously only a brief overview, but will give you the idea.
Ken Taraszka, MD
Associate Editor
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