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From: emrath@uiuccsb.UUCP
Newsgroups: net.audio
Subject: Re: difference between DC & AC - (nf)
Message-ID: <6154@uiucdcs.UUCP>
Date: Mon, 12-Mar-84 22:28:34 EST
Article-I.D.: uiucdcs.6154
Posted: Mon Mar 12 22:28:34 1984
Date-Received: Wed, 14-Mar-84 08:22:37 EST
Lines: 16

#R:sdccsu3:-163900:uiuccsb:5700028:000:765
uiuccsb!emrath    Mar 12 13:00:00 1984

I haven't seen the catalog, but I would assume that "non-switching amp"
has nothing to do with whether the amp is AC or DC coupled. I expect
it means either:  1) the power supply is non-switching; or 2) the amp itself
is biased heavily into the class A-B region or is fully class A.
In case 1, the output of the power supply is not controlled by the audio
signal (such as in Carver's "magnetic field" amps), nor does it use a
"switching" regulator. It's just a standard old analog or unregulated supply.
In case 2, the larger bias on the output transistors means that they stay in
a more linear region of operation.  I doubt that the amp is class A or they
would have said so.  Without more facts.....

	Perry Emrath, UofIL
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