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Originally Posted by 666666  Just wanted to follow up and mention that I took some of the existing Auralex foam panels and carefully measured / weighed them to try to determine the density... I arrived at a figure of about 1.5 - 1.6 pcf density. Sound about right? I measured / weighed several 4" wedge panels and several 3" wedge panels, came up with 1.5 - 1.6 pcf every time.
Again, I realize that density is not the only factor in determining a material's ability to absorb low end, but... it's all interesting. |
Andre's right, of course. Rigid fiberglass or mineral wool is what you want for low end. Foam, regardless of density just isn't a stellar performer on the low end for the reason you stated...there's more to it than density.
The point Andre's making about predictability and repeatable results is a very important one. You want your treatment solution to be as dependable as possible.
Frank