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CORK: Diffuse or Absorb?

I bought these cork bath mats a while ago. I use them over a window just to the right of my speaker and duplicate this on the left side. I just bought a Vicoustic diffusion panel, the Multi-fusor wood 36, and mounted it in back center of my speakers. I very much like what diffusion does in my room, and want to do ad more. So back to the original question.... Does anyone know if Cork absorbs or diffuses?
fjn04
arh
366 posts
 
Cork absorbs
Alan
zephyr24069's avatar
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zephyr24069
1,243 posts
 
Absorbs alot more than it diffuses even for the more dense forms of cork. For typical cork,...virtually 100% absorption.
danoroo
239 posts
 
It seems to me that cork would absorb sound. But, it also makes sense that if it were arrayed in a way other than a flat sheet (i.e. corrugated or misshapen in some fashion, it would diffuse sound very well.
fjn04 OP
1,561 posts
 
Yep- certainly wouldn't be a typical material for diffusion. It has a wavy
design, so not totally flat. But still a bath mat, so pretty flat. There are interview/videos on Peter Breunninger's AV showrooms website. He interviews a few guys with nice home setups. One of the guys has these very neat wooden diffusers on his wall. I believe they are custom designed. Sorry I couldn't send a link.
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