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post #1 of 12 Old 06-08-2011, 07:13 AM - Thread Starter
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Hi All,

I'm having a hard time finding what I though would be pretty simple: 30 ft (or less) of 14 gauge speaker cable at a decent price. There's some well-priced cable out there but I really don't need 100 feet of cabling, I really need more like 20 ft or less for a stereo setup.

I also figured it would be easy to find shielded cabling, but that's been really tough to find, so as much as it kills me I'll go the aluminum foil route (wrapping in aluminum foil and grounding that is as good a faraday cage as you'll get), it just looks kind of ghetto but maybe I can hide it somehow.

Anyway, and advice would be appreciated, I'm looking for any place to get this kind of cabling. There sadly isn't any store that I know of nearby (live in Boston MA) that would carry this at decent pricing, except you-do-it electronics but that's a bit far afield.

Thanks
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post #2 of 12 Old 06-08-2011, 07:15 AM - Thread Starter
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I was looking for example at something like this:
http://www.amazon.com/RCA-AH1450SN-1...7542240&sr=8-3

but that isn't shielded at all so I'd have to go the aluminum route. Still $10 isn't bad.
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post #3 of 12 Old 06-08-2011, 07:48 AM
 
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Why not go to Home Depot/Lowe's/Menard's/Do It Best/Ace/small town "mom and pop" hardware store...

They all sell wire in bulk, much cheaper than you'll find it anywhere else...and you can buy exactly how much you want.
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post #4 of 12 Old 06-08-2011, 07:58 AM - Thread Starter
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that's a good idea, I can see if home depot carries that kind of wiring, might get lucky
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post #5 of 12 Old 06-08-2011, 08:52 AM
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www.monoprice.com Some of the best stuff and prices around.
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post #6 of 12 Old 06-08-2011, 09:33 AM
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I bought my speaker cable from Radio Shack like 10 years ago still use them. Soft, clear jacket, Monster-like. They have rolls of 25ft, 50ft etc.

Never heard of shielded speaker cables. IHO, totally unnecessary.

Solution: FREE. Explanation: I will have to charge$ you.

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post #7 of 12 Old 06-08-2011, 02:10 PM
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Quote:


as much as it kills me I'll go the aluminum foil route (wrapping in aluminum foil and grounding that is as good a faraday cage as you'll get

Why? What do you think this will accomplish?
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post #8 of 12 Old 06-08-2011, 02:26 PM
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Non ferrous based metals (i.e.,aluminum) do not make a Faraday shield. Secondly, there is no reason to ever shield a speaker cable. Unshielded paired cable is all you need.

If you are installing it inside a wall then it needs to be CL-2 rated. If it is laying on the floor, low voltage 12 awg lighting cables from HD or Lowe's is perfect.
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post #9 of 12 Old 06-08-2011, 08:28 PM
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Quote:
Originally Posted by Gizmologist View Post

Non ferrous based metals (i.e.,aluminum) do not make a Faraday shield. Secondly, there is no reason to ever shield a speaker cable. Unshielded paired cable is all you need.

If you are installing it inside a wall then it needs to be CL-2 rated. If it is laying on the floor, low voltage 12 awg lighting cables from HD or Lowe's is perfect.

Wrong. Any conductor can be used for shielding. However, wrapping a wire in foil is not creating a Faraday Cage, either. Now lining the room with aluminum window screen would be an example of a Faraday Cage...http://en.wikipedia.org/wiki/Faraday_cage


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(Just as big an idea thief as)

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post #10 of 12 Old 06-09-2011, 10:31 AM
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Quote:


Any conductor can be used for shielding.

non ferous metals can form an elctrostatic shield only.

Quote:


wrapping a wire in foil is not creating a Faraday Cage

Sure it is, why do you say it isn't?

Quote:


Now lining the room with aluminum window screen would be an example of a Faraday Cage

Surrounding anything with a grounded conductor forms a faraday cage...just like a bridge.
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post #11 of 12 Old 06-09-2011, 04:31 PM
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From my 1970 "Modern Dictionary of Electronics"

Faraday Cage - Shield - Screen
A network of parallel wires connected to a common conductor at one end to provide electrostatic shielding without affecting electromagnetic waves. The common conductor is usually grounded.

---------------

I think that this thread as suffered definition slip.

Kevin
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post #12 of 12 Old 06-13-2011, 08:19 AM
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Quote:
Originally Posted by Speedskater View Post

From my 1970 "Modern Dictionary of Electronics"

Faraday Cage - Shield - Screen
A network of parallel wires connected to a common conductor at one end to provide electrostatic shielding without affecting electromagnetic waves. The common conductor is usually grounded.

---------------

I think that this thread as suffered definition slip.

That's what we said.
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