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buzz from speaker..

Hello first thank you all that do respond. I am using at the moment a pair of sound dynamics 300ti speaker. I replaced the woofer cones around five or so months ago every thing all right at the time, now I noticed just today playing some jazz the left speaker woofer cone is buzzing on some CDs. What should I look for once I take out the cone, possibly wires touching or anything else such as crossover?
schipo

Showing 3 responses by schipo

schipo OP
1,268 posts
 
. I would like to make a correction. It is more like a speaker cone vibrating than a buzzing sound. The sound is mechanical in its sound than electrical.This is all coming from one speaker the other seems totally fine.
schipo OP
1,268 posts
 
The sound that I am getting is at certain frequencies, so I am sure it is not due to any source amp, pre, etc. I checked the speaker cones all for rips or torn dust caps and the screws to all drivers and all are fine. The woofer cones are all new and I was wondering could it have gone bad, and could the magnet have lost its strength, or even loosened on the back of the driver? I thank you all again for your suggestions.
schipo OP
1,268 posts
 
Thank you all for your suggestions. I have determined that it is the speaker by switching. I was curious if it is a non-centered voice coil can this be repaired or should I just replace cone?
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