Posted by Wayne Parham [ 64.149.63.223 ] on October 30, 2007 at 23:11:54:
In Reply to: Replacement For Fiberglass in 2Pi posted by Beltway Bandit on October 30, 2007 at 20:57:13:
If the cells are large enough, open cell foam is much more acoustically transparent than fiberglass insulation. It's what some use for speaker grilles. I think probably the small cell stuff is more absorbent, but I haven't made any measurements to see.
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