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7th March 2008, 11:07 AM
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#1 |
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Account disabled at member's request
Join Date: Jan 2006
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Amplifier Response Stability & All That.
Visited a hoarder-ish friend this afternoon who is my source of old electronics magazines on old electronic stuff in general. Flicking through a few 1958 issues of the late Australian publication, Radio Television and Hobbies (and a few contemporary girlie magazines as well) whilst eating pizza I came across an excellent article on the application of global negative feedback to valve power amplifiers and stabilisation techniques.
Being the nice guy that I am, I have scanned the pair of articles as stuck them on the web, links to the article pages appear below. Should go at least some way to dispelling some of the misconceptions and myths that get repeated here every so often (sorry, no pages from the girlie mags included). Happy reading. http://users.picknowl.com.au/~glenk/01.jpg http://users.picknowl.com.au/~glenk/02.JPG http://users.picknowl.com.au/~glenk/03.JPG http://users.picknowl.com.au/~glenk/04.JPG http://users.picknowl.com.au/~glenk/05.JPG http://users.picknowl.com.au/~glenk/06.JPG http://users.picknowl.com.au/~glenk/07.JPG http://users.picknowl.com.au/~glenk/08.JPG http://users.picknowl.com.au/~glenk/09.JPG http://users.picknowl.com.au/~glenk/10.JPG http://users.picknowl.com.au/~glenk/11.JPG http://users.picknowl.com.au/~glenk/12.JPG http://users.picknowl.com.au/~glenk/13.JPG http://users.picknowl.com.au/~glenk/14.JPG |
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7th March 2008, 11:29 AM
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#2 | |
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diyAudio Member
Join Date: Oct 2004
Location: At the sea front, just under Rotterdam
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Re: & All That.
Quote:
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7th March 2008, 12:00 PM
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#4 |
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diyAudio Member
Join Date: Oct 2004
Location: At the sea front, just under Rotterdam
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Aren't you old and smart enough to stop getting provoced into a bare knuckle bar fight by grampies ?
How's the LPI event doing ?
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7th March 2008, 03:10 PM
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#5 |
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diyAudio Member
Join Date: May 2005
Location: Dallas (but I am not a Texan!)
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Nice article.
Would you mind if I posted it on my web site? Credit will be given to you, of course... Pete www.pmillett.com |
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7th March 2008, 09:56 PM
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#7 | ||
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Account disabled at member's request
Join Date: Jan 2006
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Quote:
Erm, what's an LPI event????? Quote:
No problem. I'm on a dial up account and time was limited, so I scanned the pages in the lowest resolution. This is usually good enough, but some of the original text was a bit faded, so in parts the low-resolution scan is hard to read. If you’re willing to accept larger files (500-1000k per page) I can send you some higher resolution scans when I get the time to do them (tomorrow). Cheers, Glen |
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7th March 2008, 10:30 PM
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#8 |
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diyAudio Member
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*gacks 'em*
TNX. |
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7th March 2008, 10:50 PM
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#9 | |
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diyAudio Member
Join Date: Oct 2004
Location: At the sea front, just under Rotterdam
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Quote:
LPI is the term for LPG injection overhere
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9th March 2008, 01:14 AM
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#10 | |
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Account disabled at member's request
Join Date: Jan 2006
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Quote:
Oh. The GRA twin throttle body system is actually a fumigation system with a fully tunable main metering rod/circuit, separately jettable idle and progression circuits and stepped (primary/secondary) throttle actuation - not injection. Basically, a big Weber for LPG. Incidentally, I got an extra ~80Nm out of it with an intake manifold change. Now I’ve just got the occasional traction issue. Quack |
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