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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 1 response by mrmb

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mrmb
299 posts
 
I have found GIK as recommended above, to be a good reasonably priced source for acoustic panels.  I installed them in our previous house and plan on using them in our new one.

If the application allows, I prefer the aspect of free-standing/movable panels not only for initial trial placement purposes, but also for present and future flexibility.  In fact, GIK just sent a flyer out last week mentioning their new "Panel Foot Kit" that will turn almost any of their products into floor standing/movable ones: http://https//www.gikacoustics.com/product/panel-foot-kit/
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