Re: Any cure for a rubbing speaker cone?
One possible trick for cleaning debris out of the gap is to try adhesive tape. This is quite often suggested as part of a 're-coning' exercise. I imagine it's very much more tricky with the cone still in place. I'm afraid another thing to worry about is that if the outside of the voicecoil is rubbing then there is a risk that the enamel on the wire will be abraded away and partial shorting of the coil will occur. The best solution might be to remove the cone-and-coil assembly and see if you can then restore the shape of the coil. But if the coil is firmly glued to the basket then removing it might be very tricky to achieve.
Cheers,
GJ
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