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Diffusion vs. Sound Absorption views

I have Spatial Audio M4 Triode Master open baffle speaker in my listening room.  I have sound treatment behind the top of the speakers with sound absorption panels hung on the wall and an Aurelex foam panel down to the floor. 

It was recently brought to my attention that sound diffusion panels behind the speakers might yield an improvement in SQ over the sound absorption panels.  The advice I got is that OB speakers benefit more from rear wall sound treatment with diffusion rather than absorption.  I put the issue to you learned folks for advice.  Thanks. 
whitestix

Showing 3 responses by whitestix

whitestix OP
684 posts
 
I am keen to check out this diffusion aspect of sound treatments, as I have a remarkably dampened room (two layers of 5/8" sheetrock with Green Glue in between and several sound panels behind the speakers, and thick carpet in the room.)   I have a long narrow room (13x26x9) with the speakers on the long wall, about 3' from the wall, and I sit about 10' away on a sofa against the rear wall.  Not an ideal setup for sure, but I am working around the edges with what I have.  
If diffusion enhances the spatiality of the sound, then I am interested to explore this aspect of my system.

I listen to about 98% jazz, of the straight-ahead variety.  Miles, Coltrane, MJQ, Brubeck, Desmond and most significantly Stan Getz. 
whitestix OP
684 posts
 
Thanks for the comments and suggestions, a particular solid from from GK.  
whitestix OP
684 posts
 
Sir,
Great advice, which I think is pretty much where I am now -- all absorption.  Maybe I could send you a PM and somehow get you a photo of my living room for your opinion.  Thanks, Mark
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