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-   -   Hmm....Question (Ethan article). (https://www.gearslutz.com/board/bass-traps-acoustic-panels-foam-etc/399167-hmm-question-ethan-article.html)

gideon352 19th June 2009 12:15 AM

Hmm....Question (Ethan article).
 
deleted.

Bouldy 19th June 2009 12:28 AM

No, other way round I think...
The density of the material (pink fluffy stuff) will become less important as the thickness increases.
Dave

Bouldy 19th June 2009 12:31 AM

...so if the pink fluffy is half the density of the 703, it will work similarly to the 703 if it is twice as thick. Though I am in no way quailified to comment on this....or pretty much anything.
Dave

Glenn Kuras 19th June 2009 01:46 AM

I have never seen testing of just pink stuff in the corners, but I would think that 703 would do better, but (boy that is 2 buts in one sentence) not by a ton.

Glenn

avare 19th June 2009 02:34 PM

Quote:

Originally Posted by Bouldy (Post 4296436)
...so if the pink fluffy is half the density of the 703, it will work similarly to the 703 if it is twice as thick.

You are correct, as a generalization. There is a long thread about gas flow resisitance that gives a more detailed expalanation.

Andre

Brainchild 19th June 2009 04:28 PM

The density is about half, but the fiber diameter is also about half, so the net result [in terms of the mathematical models, at least] is roughly identical flow resistivity.