On Tue, 27 Jan 2009 16:56:04 -0000, "N_Cook" put
finger to keyboard and composed:

There is no overheating , scoring or any damage to the coil or elesewhere
just these lines.

http://home.graffiti.net/diverse:gra...voice_coil.jpg

I've often encountered speakers which sound distorted but are still
functional. By moving the cone by hand, I can feel and hear the coil
scraping against something. Would this be caused by blistered
insulation as a consequence of overheating?

- Franc Zabkar
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