I purchased some Polk speakers recently and some of the dome tweeter dust caps had been dimpled in from the popcorn packing pushing into the grills on a CS400 and a Fx500 I pulled them out with a piece of masking tape and they look fine, my question is this though, while touching the tape onto the rubber type cap It felt like there was a secondary cap underneath it. I emailed polk asking if they could provide an answer last week but never had a reply. Have any of you ever had tweeter fry out from a cs400,cs400i,fx500,fx500i,rt2000p? If so I am interested in knowing more about how these are made. If I have to I will buy a bad one just to disect it. Any help would be appreciated.

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