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electrical interference on power cables?


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digdug18 
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Posted: September 28, 2007 at 7:20 PM / IP Logged  

Will this work?

http://cableorganizer.com/metal-braided-sleeving/

I want to wrap my 4ga power line in it, to minimize the electrical interference when I run the line in my teg. Should I do the same thing to the speaker cables I'm running as well??

Andrew

haemphyst 
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Posted: September 28, 2007 at 8:29 PM / IP Logged  
Work for what? You won't gain anything on power or speaker leads, and it'd be debatable as to whether you gain anything on signal leads. It'll certainly LOOK cool, though.
It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."
digdug18 
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Posted: September 28, 2007 at 9:51 PM / IP Logged  

Its gonna be under the carpet, you wont see it. I'm trying to cut the electrical interference that the power going through the 4ga power cable produces, and causes problems with the input cables of the amp, if run too closely together...

I'm not really concerned with the expense, I'll only need a couple of feet of it, where the input wires are close to the power wires by my passenger seat.

Andrew

audiocableguy 
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Posted: September 29, 2007 at 9:50 AM / IP Logged  
Are you trying to solve a problem or prevent one? Run your signal cables down one side, power down the other and if they cross do so at 90deg. If you have decent RCA cables you shouldn't have a problem.
DYohn 
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Posted: September 29, 2007 at 10:21 AM / IP Logged  
Adding that product on a power wire will do nothing electrically useful in a car audio application.  It will help protect the cable from mechanical damage.
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tcss 
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Posted: September 29, 2007 at 11:49 AM / IP Logged  
OK, one last time. Power cables do NOT produce noise when run near or over RCA cables.
There is no such thing as free installation!
dwarren 
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Posted: September 29, 2007 at 12:42 PM / IP Logged  

tcss wrote:
OK, one last time. Power cables do NOT produce noise when run near or over RCA cables.

Funny you say that, I just got through re routing RCA's on a Pilot that I had originally run with the power wire only to have terrible noise. So I draped a set of rca's from the deck to the amp and low and behold, no noise!. I ran the rca's down the center console away from the power wire and it proved to be noiseless.

tcss 
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Posted: September 29, 2007 at 1:17 PM / IP Logged  
Dan you remember that thread right? I bet your original RCAs were run close to the car's ECU
There is no such thing as free installation!
techman93 
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Posted: September 29, 2007 at 1:21 PM / IP Logged  
Power wires will conduct some sort of noise due to the current running through it, sort of like a small magnetic field around the diameter of the cable. I would believe people when they tell you not to do something, it usually is because of lots of experience in the field. When installing audio systems I run power cable down same side that the battery sits and then signal cable down the opposite side. There may be special circumstances where that may not be an ideal set up but rule of thumb is at least a foot to two feet apart if running parallel to each other. A 90 degree bend if they do have to cross and make sure that you secure with duct tape to the floor under carpet.
dwarren 
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Posted: September 29, 2007 at 1:46 PM / IP Logged  

tcss wrote:
Dan you remember that thread right? I bet your original RCAs were run close to the car's ECU

Perhaps, as they did run under the dash, but I didn't see an ECU or BCM's as far as i can remember...How can I forget that thread!

What ever happened with those Focal's?

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