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RCA's next to power/ speaker wires


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Flatlandfreak 
Copper - Posts: 48
Copper spacespace
Joined: January 04, 2005
Location: United States
Posted: January 29, 2006 at 5:10 PM / IP Logged  

I'm doing an install in a truck and need to run a set of RCA's behind the dash and then down the side of the vehicle.  Behind the dash, the only room to run a set of cords to my destination is right along the factory wiring raceway for about 4-5 feet.  Then they need to run in a lume from the bed to the cab, only problem is, our speaker wires, and remote turn on lead are run through the same loom, there is no room for another run of loom anywhere else. even if there was they would have to be within a few inches of each other to go though the hole we have available in the cab   Do you think I'll aquire any noise issues from inductance into either the speaker wires from the remote turn on lead, or into the RCA's from the speaker wires or other power wires behind the dash??  They are Tsunami Competition, Triple-shielded, directional RCA's.  I figured with the triple shielding I should be safe.

What do you think?

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monorail 
Member - Posts: 22
Member spacespace
Joined: December 12, 2005
Location: United States
Posted: January 29, 2006 at 6:54 PM / IP Logged  

I would just run the cables and see what happens. I guess you'll find out if that triple shielding is as good as advertised.

DYohn 
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Joined: April 22, 2003
Location: Arizona, United States
Posted: January 29, 2006 at 7:44 PM / IP Logged  

Yes, running low-level signal cables next to high-power cables can sometimes cause EMI noise, which is why I usually recommend to not do it.  But in the vast majority of installations it is not a problem as long as the RCA cables are shielded, no matter what brand they may be.

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Flatlandfreak 
Copper - Posts: 48
Copper spacespace
Joined: January 04, 2005
Location: United States
Posted: January 30, 2006 at 3:05 PM / IP Logged  
Well hopefully that works, cuz it's a pain to tear that entire dash apart again!
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kirktcashalini 
Silver - Posts: 492
Silver spacespace
Joined: November 13, 2005
Location: United States
Posted: January 31, 2006 at 9:58 AM / IP Logged  
I have had installs where It has made noise, and where it hadnt made noise. If your RCAs arent shielded, wrap some heat shield around them where they cross. I have done that with the adhiesive metal backed cloth, and It has worked wonders, It looks like the same type of stuff tightly wrapped inside coax cables. And if it can radiate 2000 degrees F it probably is good enough to send a couple waves bouncing away from my rca's. Good change you have no noise problem as well though.
99 Blazer LT.   Yellow Top. Big 3. Infinity Kappa Speakers All Around. Jensen CD/DVD flip out. 2 Infinity Kappa Perfect 12DVQs powered by a Alpine PDX600.1 (in one custom box, building a FG box)

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