diyAudio - Speaker damping: Foam or expanding foam

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akunec

15th September 2005 10:39 PM

Speaker damping: Foam or expanding foam

Is foam or expanding foam suitable for speaker enclosures?

planet10

16th September 2005 06:58 AM

open cel foam rubber can be used as damping material. Expanding foam is sometimes suggested for filling voids, but from my experience is not something i'll use again.

dave

Coolin

16th September 2005 06:26 PM

Expanding foam is closed celled, so not suitable. Sound doesnt really pass through it so isnt absorbed very well.

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