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From: "Phil Allison"
References: <email@example.com> <firstname.lastname@example.org>
Subject: Re: 'Current Dumping' Amplifier Circuits ?
X-Newsreader: Microsoft Outlook Express 5.50.4522.1200
Date: Mon, 2 Dec 2002 19:55:00 +1100
NNTP-Posting-Date: Mon, 02 Dec 2002 19:44:17 EST
Organization: Telstra BigPond Internet Services (http://www.bigpond.com)
"Roger Lascelles" wrote in message
> I think Wirless World (as it was then) ran an article which explained the
> idea. From memory, they showed a high power class B power stage with lots
> of crossover distortion and a lower powered class A (?) stage which added
> additional contribution to the output to cancel out the distortion of the
> Class B. Idea is that a rugged output stage with no thermal runaway but
> mediocre linearity can work with a low power fast & clean amp.
> It would be interesting to see if the distortion at low signal levels is
> better than straight class AB designs.
** Interesting but academic. The error residual has been shown to be
> It may be unnecessary - other high quality audio amps do not use it.
** Proves what ??
> was building an amplifier, I would not bother.
** A comment about yourself.
If I chose a Quad amp, it
> would be becuase it sounded good and was priced right - not because of
> current dumping.
** It is a nice feature, that others lack.
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