Question about JBL GTO1202D Car Subwoofer

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15" JBL Sub

Well i had a 15" sub and whenever iturned it up it sounded like ****. So i talked to my buddy and he said that it wasnt getting enough power to the sub. So i went out and bought a 400rms pioneer amp. I turned the gains down to about 25% and i turned it up. Well now it sounds like its just punching the sub. Theres no sub sound in it anymore. Its like someones hitting it from the back and it sounds like ****, i dont know what to do. Please help!!

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  • alexthegr319 Dec 20, 2008

    Thanks dude!! i just went and bought 15" fusion sub for it so that should rock pretty good:)

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That is a compleately stretched voice coil my friend
only thing to do is take it to where you bought it for warantee
or purchase a sub that will be effiecient in the box you have
also there could be a chance that your impedence is not matched for the proper amplifier output
what is the resistance on your coil or coils

Posted on Dec 20, 2008

  • Derek Nott
    Derek Nott Dec 20, 2008

    ohh and make sure you can not move your ground connection with the force of your hand and that there is no paint between the terminal and the body

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