Acoustic lining.

Acoustic Absorb · 9th March 2006, 07:39 PM

Greetings.
Some years ago I read about a lining material for speaker cabinets (possibly in Coice Coil magazine) which claimed to increase the effective internal volume of the enclosure. I am going by memory but I think it was a solid porous material - possibly graphite based. Has anyone heard of this matertial or others like it?
TIA

dnsey · 9th March 2006, 08:21 PM

KEF developed a material based on activated charcoal which was claimed to effectively increase the cabinet volume by adsorbing air under pressure and releasing it when rarified IIRC.

9th March 2006, 07:39 PM	#1
Acoustic Absorb diyAudio Member Join Date: Mar 2006 Location: Ireland	Acoustic lining. Greetings. Some years ago I read about a lining material for speaker cabinets (possibly in Coice Coil magazine) which claimed to increase the effective internal volume of the enclosure. I am going by memory but I think it was a solid porous material - possibly graphite based. Has anyone heard of this matertial or others like it? TIA

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9th March 2006, 08:21 PM	#2
dnsey diyAudio Member Join Date: Mar 2004 Location: Shropshire, England	KEF developed a material based on activated charcoal which was claimed to effectively increase the cabinet volume by adsorbing air under pressure and releasing it when rarified IIRC.

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