Have you tried any room treatments?


I see there are more and more comments in answer to different questions about treating the room rather than replacing gear. I wholeheartedly agree with this train of thought, but I'm wondering how many people have actually tried any treatments, and what they tried, or, more importantly what they thought was successful.

I first tried Sonex ten or fifteen years ago and was very happy with the results. Right now I have acoustic foam on several reflecting points on the walls and ceiling. I also have a panel behind the amp, and between the speakers to help dissipate vibrations within the baffels(?) if that's what they might be called.

What have you tried, and how well did it work?
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I have been searching far and wide for WAF approved treatment and it hasn't been easy. I have had tremendous success with Machina Dynamica Brilliant Pebbles in my front wall corners at the floor. These have provided improved 3-D imaging, a more natural soundstage illusion (subjectively speaking of course), enhanced resolution, and improved dynamics. I know, these sound too good to be true, but real they are, phenomenal actually.

I am awaiting a pair of Shakti Hallograph Soundfield Optimizers, another controversial product to be sure. Hopefully they look good and sound great.
I use 48 custom designed and built panels. And, yes, I did consult with an audio engineer before treating my room. The room sounds great; makes it a lot easier to dial in speakers.