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Expert: - 8/14/2011


Question
Hi

I purchased a used 2007 Jeep Grand Cherokee and when I am driving I hear a weird noise from the door, as if the speaker was lose. When I turn my stereo on, the noise increases and coordinates with the music

Should I chance the speaker?

Thanks!

Answer
Yes, you will need a new speaker for that door.  Chances are either the voice coil has come loose from the coil form or the speaker has been grossly overpowered and the cone is coming apart or moisture has gotten into the speaker and damaged it.  Finally, even the mounting screws have rusted out from the moisture and left the speaker loose in its mounting frame.

Any good car audio shop can do the replacement project or you can do it yourself.  Go to crutchfield.com and walk through their "outfit my car" sequence to find speakers that fit the mountings and that will be equal to those already in the car.

Good Luck.  

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Cleggsan

Expertise

Audio Design Engineer; systems, loudspeakers, cd/dvd players, etc. I am knowledgeable in all high end audio equipment and installations. MAKE SURE YOU GIVE A MAKE AND MODEL NUMBER AND CAR IF IT IS AN AUTO QUESTION. Note: I am getting some who ask good questions that take a lot of time to research but then the questioner fails to read the answer. Please don't ask questions unless you are seriously looking for an answer. If you find an answer to your question otherwise then let me know with your reply. Thank you.

Experience

Have been associated with audio design, standards, testing and component systems for over 40 years.

Organizations
Life Fellow Member of Audio Engineering Society Life Senior Member of Institute of Electronic and Electrical Engineers

Publications
Review technical manuscripts for IEEE Spectrum Write occasionally for high-end audio publications

Education/Credentials
BSEE/MSCS/MBA

Past/Present Clients
Past Employee/advisor to several well known audio products manufacturers

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