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Pls. don't laugh !!! how do I protect your HT from EMP


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41 replies to this topic

#1 of 42 LiorM

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Posted September 29 2002 - 08:09 AM

Hi ,
Let's say I survive the upcoming nuclear war.
How do I protect my HT from the elector magnetic pulse created by the nuclear bomb.
The elector magnetic pulse would destroy electrical circuit a huge distance from Ground Zero, potentially even knocking out satellites.
Is there any shielded that I can use ?
Thanks ...

#2 of 42 Jeremy_Watson

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Posted September 29 2002 - 08:15 AM

Do you know something we don't?

#3 of 42 Steve WC

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Posted September 29 2002 - 08:18 AM

Preemptive strike.
.
This is pitiful. A thousand people freezing their butts off waiting to worship a rat.

#4 of 42 John Garcia

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Posted September 29 2002 - 08:21 AM

I don't think it's funny at all. Kind of scary that you would even have to consider such a thing happening, and I don't blame you. I also have to say that if it does come to something like that, HT gear would be of little concern to me.

I am no expert, but a nuclear missle detonated in the atmosphere has no chance of knocking out satellites in orbit, only transmitters and relays on the ground. However, electronics within *some distance* of the pulse will be knocked out temporarilly, and possibly damaged.
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#5 of 42 Luke_Y

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Posted September 29 2002 - 08:25 AM

LiorM, Thought you were joking, then noticed your location and thought - Well OK, maybe not.

Just pulling from my military experience I don't think there are any effective measures you could take that would actually be reasonable or cost effective.
Luke

#6 of 42 Chu Gai

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Posted September 29 2002 - 09:11 AM

not even surrounding your home in a faraday cage with a mu metal exterior. i recall an interesting article sometime back on such pulses in popular science.

#7 of 42 Holadem

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Posted September 29 2002 - 09:29 AM

If you think you need such a device, then rest easy: I am sure you will have other things to worry about than your HT Posted Image.

Quote:
Do you know something we don't?

Posted Image

Sounds like famous last laughter Posted Image

--
Holadem

#8 of 42 Camp

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Posted September 29 2002 - 09:35 AM

aluminum foil...lots and lots of aluminum foil. Posted Image

#9 of 42 GordonL

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Posted September 29 2002 - 10:27 AM

Using Google to search for "EMP Shielding" turns up many possible sources of information. For instance, the link at the bottom of this page discusses how to build an EMP resistant facility.

Holadem is right - in the event of a nuclear strike, assuming you survived, your HT would be the least of your problems. Posted Image

#10 of 42 Holger

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Posted September 29 2002 - 11:20 AM

hi lior m,


a little off topic, but what the heck...



well the effects of emp during a nuclear blast are still widely unknown, but one thing can be taken for sure. the higher the nuke goes off up in the atmosphere, the higher will be the damage to electrical devices via emp. this was tested in the 60' when nukes were detonated in the space. if i remember correctly, one multi megaton device created such an huge emp blast, that there were massive disstortions from hawai to new zealand.

anyway, you shoudn't be to worried about the emp because nukes will be usually detonated on the ground or in a maximum height of about 2-3 kilometers(or below), regarding if they have to destroy targets on the earths, like missile silos, or if they are supposed to spread the blast and fireball troughout a wider area like a city for example. so you should be more concerned about a one million factor sun blocker and a solid and deep cellar:-) ( i know the possible dangers of an iraq war very well, so please excuse my kind of black humor)


regards, holger
Wer glaubt daß Anrufbeantworter Anrufe beantworten, glaubt auch daß Zitronenfalter Zitronen falten.

#11 of 42 Tony F

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Posted September 29 2002 - 12:05 PM

I actually know something about this topic.

There is shielding that can help your system: it resembles a metal box, completely sealed without any cracks, in which both you and your home theater must reside to be protected - quite expensive. Unfortunately, you also must eliminate conducting cables which penetrate to the outside from within this shielded enclosure - rather difficult to receive electrical power!

Why worry...

Posted Image

#12 of 42 Chris PC

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Posted September 29 2002 - 12:19 PM

If your home theatre equipment was destroyed by an electro-magnetic pulse from a nuclear detonation, you wouldn't be concerned about your equipment. You'd be lucky to be alive, and if you were, you'd be unsure of whether you'd survive for very long. I don't think the world would be the same place and I doubt you'd be using your home theatre if there was any detonation of nuclear weapons in North America.
Going from projector to flatscreen for a while.... :P

#13 of 42 Lee Scoggins

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Posted September 29 2002 - 12:29 PM

Is this an attempt to avoid the politics rule in after hours?

Posted Image
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#14 of 42 Kevin. W

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Posted September 29 2002 - 03:51 PM

They'll be no electricity to run your equipment even if it survives.

Kevin

#15 of 42 Chris PC

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Posted September 30 2002 - 03:05 AM

Quote:
They'll be no electricity to run your equipment even if it survives.

Unless you have Solar and Wind power and some battery backup Posted Image
Going from projector to flatscreen for a while.... :P

#16 of 42 Joe Szott

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Posted September 30 2002 - 04:05 AM

Well, the fact that the original poster is located in Israel might explain his paranoia and rational thought process about a nuclear explosion Posted Image

Lior, about the only sure fire way to avoid EMP (or all radiation) in a nuclear blast would be to get as much earth between you and the explosion as possible. There are companies that sell bomb shelters that you bury in your backyard, sorry I don't have a link at the moment. You could locate your HT and couch in there, but your friends might think you are nuts.

After a nuclear blast, your HT needs might be better served by you stocking up on petrol, ciggarettes, and shotgun shells beforehand. Hard to watch DVDs when a gang of scavengers is looting your house... hehe.

BTW - This may be the oddest topic I have ever seen in ANY message forum.

#17 of 42 Geno

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Posted September 30 2002 - 04:10 AM

lets just all pray it doesnt ever come to that.

#18 of 42 Chu Gai

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Posted September 30 2002 - 05:56 AM

think it might be good to get one of those super duper, shielded, torroidal choke power cords?
i certainly hope it never comes to that. btw, there are weapons out there that don't cause any physical destruction rather who's sole purpose is to create an electromagnetic pulse.
so much for getting our wish of living in interesting times, huh?

#19 of 42 Josh Lowe

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Posted September 30 2002 - 06:18 AM

Quote:
How do I protect my HT from the elector magnetic pulse created by the nuclear bomb.

I doubt there will be much on TV if there's a nuclear war. It'll be nothing but reruns. So it's kind of a moot point.

#20 of 42 Chas_T

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Posted September 30 2002 - 06:28 AM

I understand your question to a point as the world seems to become very precarious in nature. Considering where you live, it would be a concern.

I've learned that material things can be replaced. "Things" such as audio equipment can always be replaced.

People, friends, family and the non-material items in life many times are not in that category. From a personal perspective, it would be the least of my concerns in the situation you describe.





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