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why is my ground so noisy? couple questions

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Expand view Topic review: why is my ground so noisy? couple questions

by lotas » Sun Dec 26, 2004 1:35 pm

Minnoe07 wrote:I used to have noise problems with my speakers too. Make sure that your power wire is not crossing with your RCA's.

Also, make sure your RCA's are not crossing any vehicle power wires. They might be getting interference from the vehicle's stock electrical system. I figured out that was what it was on mine by playing the HU while not installed in the dash and then jiggling the RCA's from the HU all the way to the amp. Took me about halfway to find out where the interference was coming from.
ill try that too, but i sanded down the grounds more and the noise is less extreme now...but its still loud enough to annoy. Its not just the whine of the engine...there is some crackling going on too, and im afraid that crackling will hurt/harm my speakers.

by Minnoe07 » Fri Dec 24, 2004 7:41 pm

I used to have noise problems with my speakers too. Make sure that your power wire is not crossing with your RCA's.

Also, make sure your RCA's are not crossing any vehicle power wires. They might be getting interference from the vehicle's stock electrical system. I figured out that was what it was on mine by playing the HU while not installed in the dash and then jiggling the RCA's from the HU all the way to the amp. Took me about halfway to find out where the interference was coming from.

by Ryan from Ohio » Thu Dec 23, 2004 11:52 pm

Ground is usually a black wire about the same diameter as the yellow wire.

Another big possibility is that you pinched the RCA somwhere along the lines and it is broken.

Pull your whole RCA cable out and inspect it. I ran a screw through one of my channels a long time ago and it caused noise. It just pierced the RCA, didnt fully split it or anything :)

by lotas » Thu Dec 23, 2004 6:53 pm

where is the HU ground? what color is the wire usually?

i redid the RCAs and it didnt change anything, its the grounds. i dunno what else to try.

by Scarrell » Wed Dec 22, 2004 11:35 pm

hmm i got a 8gauge Knu Koncept amp kit brand new in the box.....not hooked up or anything.... the box is a little messed up because i was excited to get it.....cost $23 after shipping...ill sell it for $15 plus shipping.

by Livinloud » Wed Dec 22, 2004 10:33 pm

I used to have this problem....

I got a new HU.....along with a new installation kit....

I also got some Stinger RCA's off ebay for $10....

Changed my ground.....

Now I dont have the problem anymore....

by Dustin from Huntsville » Wed Dec 22, 2004 8:10 am

check the ground for the head unit. That is probably the culprit.. not the amp ground.

Or it could just be a bad set of RCA's.

by Mithrandir » Wed Dec 22, 2004 7:41 am

eh i have mine somewhat bunched behind the deck, but only like an extra foot, lol mine sounds fine.

by Ryan from Ohio » Wed Dec 22, 2004 2:55 am

"excess RCA cables being bunched up behind the deck?"

Yikes! Start there!

Roll them up close to the amp and wire tie them :)

by dveeg » Tue Dec 21, 2004 9:28 pm

You have your power and RCA's on seperate sides, right?

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