Question about Fusion FEW12PK Car Subwoofer

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High pitched noise comin out the sub

I got a fusion 1600watt amp and a 1000watt 12inch fli sub . the sub is makin a high pitched noise , i ve try another sub on it and it does the same ,have any1 n e ideas email me please @ ginga_fudgie23@yahoo.co.uk

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  • gingafudgie Mar 08, 2008

    i got the ground lead about half a foot long and its bolted 2 the lock of the boot but i ll clean it up and let u know but if its not that what is it??

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You may have a ground loop issue. Make sure your ground lead is as short as possible (<1ft, if possible) and that it is mounted to a nice, clean (unpainted) spot on the vehicle. If you have multiple amps, try and ground them to the same point.

Posted on Mar 07, 2008

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Hello markwasicki,

You did not specify what type of enclosure the subs are in or if they share the same airspace. But the sound you describe sounds suspiciously like the enclosure is at fault and not the sub itself.

Remove and reverse the subs in the box and test for the noise again. If the noise is still produced on the same side of the box, it's the enclosure. If the noise follows the sub, then you have a problem with that sub.

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chriszambrotta@yahoo.com

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