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RCA CABLE PICKING UP ENGINE NOISE 

 

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 Post subject: RCA CABLE PICKING UP ENGINE NOISE
Posted: Wed Aug 02, 2006 6:28 pm 
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Couldnt find the right topic...

But ive hooked up two amps and split two cables out of the one rca preout and getting all this engine noise . TAPED up the joins to the split

And ran power cable opposite sid of car

Any ideaz
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Posted: Wed Aug 02, 2006 6:29 pm 
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Sounds like the cable is suffering from the poor RF shielding provided by the join in question.

For a full pov-solution, wrap the joint in some aluminium foil.

For a better solution, make a proper Y-harness or buy one!

 

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Posted: Wed Aug 02, 2006 6:40 pm 
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Havu hear of a noise filter or a suppressor before, do u what they do and if they would help, and what is a Y Harness?

Thnx
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Posted: Wed Aug 02, 2006 6:52 pm 
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What your after is a Ground Loop Isolator. I got an Aepro one in from work (Repco) was like $10.00 and did the job no worries at all. It happened on my front amp when I put one for the front speakers, was reasonably cheap cabling and reasonably cheap amp. I put corregated tubing around all the wires and split the speaker and RCA wires as far awayfrom the power wires as possiable with no help. The Ground Loop Isolator did the trick, did lower the amps output volume a tad, but just adjust the gain a tad higher to compensate!

 

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Posted: Wed Aug 02, 2006 7:24 pm 
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f**k it, crank ur stereo and listen to ur car rev thru the speakers :D

 

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Posted: Wed Aug 02, 2006 7:27 pm 
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NAfairlane... wrote:
f**k it, crank ur stereo and listen to ur car rev thru the speakers :D


It sounds awful, sounds like a high pitched whiney electric motor!

 

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Posted: Wed Aug 02, 2006 8:40 pm 
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it could also be that you've blown the earth tracks on your HU's RCA outputs...... happens occasionally

what HU do you have?

 

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Posted: Wed Aug 02, 2006 9:22 pm 
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Interceptor wrote:
it could also be that you've blown the earth tracks on your HU's RCA outputs...... happens occasionally

what HU do you have?


mm i had done that blown the earths on the hu opened it up and resoldered them all good
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Posted: Wed Aug 02, 2006 11:47 pm 
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Nah actually its on a mates VL, cant stand them cars lol
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Posted: Thu Aug 03, 2006 6:01 pm 
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yeh earthwire was real looses and used alu foil and taped rcas up. WORKS SICK
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