dynamat for lining inside cabs

slr 5000 · 14th October 2008, 03:13 AM

hi all
ive got a pack of dynamat extreme sound deadener
and im planning on lining the inside of my speaker cabs with it

its got a layer of bitumin with aluminium over it and im wondering if it would be suitable

its great for deadening the walls but im concerened the aluminium may reflect the sound and standing waves around the cabs

any advice on if it is suitable or not would be much appreciated

cheers

sreten · 14th October 2008, 12:02 PM

Hi,

Sealed boxes stuff, vented line with foam, the damping will not matter.
That is : physical damping of the wall resonance does not effect the
damping of the airspace resonances, and vice versa.

/sreten.

slr 5000 · 14th October 2008, 11:32 PM

thanks mate

the cabs are made from 4x 9mm flexyply with a 3mm sandwitch of mdf in between each layer ,they are also curved so i guess the lining will not be required

i had a full pack of the dynamat extreme just sitting there so i thought i might use it if it would help

14th October 2008, 03:13 AM	#1
slr 5000 diyAudio Member Join Date: Oct 2007 Location: melbourne	dynamat for lining inside cabs hi all ive got a pack of dynamat extreme sound deadener and im planning on lining the inside of my speaker cabs with it its got a layer of bitumin with aluminium over it and im wondering if it would be suitable its great for deadening the walls but im concerened the aluminium may reflect the sound and standing waves around the cabs any advice on if it is suitable or not would be much appreciated cheers

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14th October 2008, 12:02 PM	#2
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	Hi, Sealed boxes stuff, vented line with foam, the damping will not matter. That is : physical damping of the wall resonance does not effect the damping of the airspace resonances, and vice versa. /sreten.

14th October 2008, 11:32 PM	#3
slr 5000 diyAudio Member Join Date: Oct 2007 Location: melbourne	thanks mate the cabs are made from 4x 9mm flexyply with a 3mm sandwitch of mdf in between each layer ,they are also curved so i guess the lining will not be required i had a full pack of the dynamat extreme just sitting there so i thought i might use it if it would help

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