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Monitor vs. Magnet

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california_rookie
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PostPosted: 02:38 - 18 Feb 2007    Post subject: Monitor vs. Magnet Reply with quote
Ah, the good old days of distorting the parent's TV with a deceased speaker...

Anyway, are LCD monitors sesceptible to magnet-induced color distortions the same way CRTs are?
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-Savage-
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Joined: 10 Jun 2005
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PostPosted: 02:50 - 18 Feb 2007    Post subject: Reply with quote
dont think so, lcd used currents in liquid in cells to make them light up, a crt tv uses protons or neutrons, fired at the screen, which the magnet upsets. afaik.. Confused Laughing
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stinkwheel
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Joined: 12 Jul 2004
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PostPosted: 11:56 - 18 Feb 2007    Post subject: Reply with quote
SavageKymco wrote:
a crt tv uses protons or neutrons, fired at the screen,


Electrons. Protons and neutrons would not be a very good thing to have fining at your face, being relatively heavy beta radiation particles.

Otherwise you're bang on. A 'standard' CRT fires a thin stream of electrons which hit phosphor particles on the inside of your screen and make them glow. A big bank of electromagnets makes this beam scan along the 'lines' on your screen to make the picture. As such, a magnetic field distorts where the beam hits the screen.

Mind you, I wouldn't go pissing about with any other type of monitor with a big magnet either. They will be full of microchips which I suspect would not like it.
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california_rookie
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PostPosted: 19:13 - 18 Feb 2007    Post subject: Reply with quote
Well, I plan on having my piddly 6" subwoofer about six inches below my fancy new 19" LCD monitor and was wondering if anyone else had attempted such a blatantly careless feat.

Maybe I'll try setting my cellphone and the boy's Nintendo DS on it first to make sure it's safe. Thumbs Up

And I believe the LCD pixels are used to block light, not produce it. Idea
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TomR6
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PostPosted: 19:17 - 18 Feb 2007    Post subject: Reply with quote
Doubt the woofer is magnetically shielded, but I don't think LCDs are affected anyway.
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california_rookie
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PostPosted: 19:38 - 18 Feb 2007    Post subject: Reply with quote
Agreed.

I've gone ahead and relocated it and so far see no adverse effects. It's about 8" away currently and sounds much better now that all the bass isn't going directly into my left ear only. Very Happy
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