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Smelly softening woofer and midranges

I have noticed a warm, plasticy smell coming from a speaker in my system. The plastic cones of the speaker seem to be getting soft, sticky, and attracking dust. I'm running within the power rating of the speaker. Polarity is fine. I never run over half volume, certainly not reference levels. Sound seems ok. I'm wondering what might be going on and how to troubleshoot things. Any ideas?
rogereckert
rogereckert OP
17 posts
 
Great ideas gang. I'll do more testing later this week. Since the speaker is still under warranty, I want to avoid any extensive tests that might void the warranty. Everything is pointing toward the midrange voice coil.
rwwear
2,883 posts
 
Do you or anyone else smoke in the same room with the speakers?
rogereckert OP
17 posts
 
The speaker is in a non-smoking environment. I haven't had the speaker long. The previous owner may have been a smoker. I really don't know. What effect would smoke have?
rwwear
2,883 posts
 
Nicotene will coat the plastic cone making it sticky.
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