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From: pmr@drutx.UUCP (Rastocny)
Newsgroups: net.audio
Subject: Re: FET preamps vs. Bipolar vs. Relays vs...
Message-ID: <566@drutx.UUCP>
Date: Thu, 5-Jul-84 10:06:33 EDT
Article-I.D.: drutx.566
Posted: Thu Jul  5 10:06:33 1984
Date-Received: Fri, 6-Jul-84 00:33:05 EDT
References: <1363@vice.UUCP>
Organization: AT&T Information Systems Laboratories, Denver
Lines: 19

I couldn't agree with Shaun S. more.  There are greater differences in
amplifiers than meet the eye (ear? :-).  Amplifier A sounds different
from amplifier B, no matter what similar/dissimilar active devices are
used (see article title) and no matter if it's a pre-preamp, a preamp,
or a basic amp.  Well designed circuits must consider more than the
schematic shows and more than the THD/IM/TIM analyzer measures.  It was
the intent of the original article to get people thinking about why amps
sound different and what relates to these differences.  Some people call
this "mystical thinking."  I call it reality.

        ---> Literally anything you hear can be measured <---

but finding the right measurement may be a bit tricky.  Now if we could
only convince people like STEREO REVIEW...

		Yours for higher fidelity,
		Phil Rastocny
		AT&T-ISL
		..!drutx!pmr