Speaker damping: Foam or expanding foam

akunec · 15th September 2005, 10:39 PM

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.

15th September 2005, 10:39 PM	#1
akunec diyAudio Member Join Date: Aug 2004 Location: Alberta	Speaker damping: Foam or expanding foam Is foam or expanding foam suitable for speaker enclosures?

16th September 2005, 06:58 AM	#2
planet10 frugal-phile(tm) diyAudio Moderator Join Date: Oct 2001 Location: Victoria, BC, NA, Sol III Blog Entries: 4	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 __________________ community sites t-linespeakers.org, frugal-horn.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA

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16th September 2005, 06:26 PM	#3
Coolin diyAudio Member Join Date: Apr 2003 Location: Holland	Expanding foam is closed celled, so not suitable. Sound doesnt really pass through it so isnt absorbed very well.

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