Quote:
Originally Posted by melmac
Ok I removed just the top layer of the felt ring, don't have any foam or dynamat here. Is the foam/dynamat essential?
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Not to get some improvement in the high and mid frequencies. Cotton balls may help tame some of the bass. I have yet to add the foam to my 900's; I added foam to the 700's now I'm comparing the two. I can say that the midbass is cleaner with the foam in the 700’s.