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Subwoofer rattling. I have a 15" Lanzar OPTI1535D subwoofer and it rattles when it hits hard. It kinda sounds like its coning out but the volume is not loud and the amp is turned down.

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  • rustyboat May 11, 2010

    Is the rattle from the speaker or is the baffle not sturdy enough? Try listening to your speaker ouside the enclosure (it means removing the subwhoofer from the enclosure which may be permantly sealed- that's a problem). Try the speaker face up on a folded towel. Maybe the speaker baffle needs to be replaced with a sturdier(e.g. thicker, more rigid) one.

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Make sure your sub is securely screwed to your box, boot build, whatever you have it sitting in. Remember subs are made to vibrate when working, check your screws are tight.

Posted on Sep 16, 2009

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http://review.zdnet.com/product/subwoofers/lanzar-opti-drive-opti1535d-car-subwoofer-driver/33649420

  • Custom Tooled Die-Cast Aluminum Basket
  • COC Composite Cone
  • Jumbo Dense Foam Surround
  • 3’’ High Temperature Dual 1.2 Ohm Voice Coil
  • 100 Oz x 3 High Density Barium Ferrite Magnet
  • Power Handling: 1600 Watts RMS /3200 Watts Peak
  • Frequency Response: 30 - 500 Hz
  • Impedance: Dual 1.2 Ohm Voice Coil
  • Efficiency: 88dB
  • Includes Installation Hardware and Template
  • Packaged In a Wood

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    There are speaker companies the professionaly rebuild speakers. They are better equiped and have the jiggs and facilities to properly rebuild the speaker from the coil up.

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    See the rear cone, spider and voice coil junction at rest and when cone is manually lifted outward/forward.Then you can easily tell if the spider has separated, as there is little pressure needed to move the cone manually, in and out of the gap. Compare that pressure to your good sub. If there is a notable difference in physical pressure to move either cone, you can rest assured that the spider is not moving or providing resistance to cone manipulation. This is a sure sign of spider/coil joint failure and can easily be sees as you conduct these tests. If that is what you see then repair it or change with new one

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