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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: How to assess damage to speakers? posted by rockman on December 5, 2006 at 20:48:46:
Dear Rockman-If your speaker is blown the symptoms will be different in the bass speaker as compared to the tweeter. Of course, if there is no sound, then it's blown, but this is extremely blown due to(a) physical smashing the voice coil to the rear and sticking on the magnet due to distortion from the hit or (b) the wires in the voice coil being melted due to the heat. Extremely blown/destroyed. Typical of 'blown speaker' is a buzzing sound due to less destruction & distortion of the voice coil and voice coil scraping on the magnet structure. If you suspect buzzing, play something bassy and turn down the treble...and listen. Is there buzzing? Or, push gentle on the diaphramof the speaker and listen for buzzing/scrapping...it should be silent if not damaged.
Tweeter damage is usually it works or doesn't. The typical reason a tweeter quits is simple overheating and the wires melt or the glue melts/disintegrates from heat. Tweeter are then done for.
Over powering a system also might mean the crossover is destroyed. This means hooking up an alternative speaker, known to work, and listen to it with music...if it is now producing treble then you can assume it isn't the cross over.
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Follow Ups
- Re: How to assess damage to speakers? - lmhommel 12:05:39 12/06/06 (0)
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