Question about JBL GT1041 Car Subwoofer

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High pitched noise comin from sub

When the car isnt moving they work fine but when i move or get on the throttle a high pitched noise comes from them when i am moving and i push the clutch in the sound goes away i have no idea what it could be

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  • ziggy239 Feb 13, 2008

    besides being very annoying when its not drowned out is it bad for the subs or armp

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I get a highy pitch sound from sub when i step on gas and also my sub goes crazy wen i turn on the bass to high i dont hnow wat it could be?

Posted on Apr 07, 2010

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If sound also goes away when throttle is released and sound returns when throttle is pressed down, then you have engine noise from car engine electronics. In older cars, this was quite noticeable when the cars had distributor caps. The electrical noise caused by arcing required for the spark plugs could be your issue. It is resolved with a noise filter which gets wired inline leading to your in-dash deck and power amp (if you have one). The filter can be found many places including Radio Shack and Crutchfield.com. First find your total wattage draw for each component of the sound system (deck and amplifier), then divide by 12 to get current draw through filter. Purchase that size filter or larger.

Posted on Feb 12, 2008

  • Marty marty Feb 13, 2008

    no. no damage to either sub or amp, just annoying. the filter should cost about 15 USD, depending on your location and filter size.

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