Bob wrote:Cool stuff.
It certainly answers the question "is there any point to making it solid instead of just 4" across the front". The answer is make it solid.
Any idea why they all have a peak at 100hz? (11.3')
Some of them are full, some of them are hollow, and some of them are 24", some of them are 34". I would have expected the 34" solid ones to have a lower peak. Is the solidness doing absorbtion, where the 24" ones were being membranish?
Bob wrote:Approximate [material] costs for...
Studiotips Corner Panels... 4" x 8'... = $54...
Studiotips SuperChunk... = $102....
FYI on MegaLENRDs: MSRP for a box of two (2) units (= 4' of corner) is $259.00. "Street" price is usually lower. I think you may have found a good price on a box of 2 units, but remember that the units are only 2' tall - not 4' tall.
Just wanted to clarify.
Roxul "Safe'N'Sound" 3" thick, 2.5 lb density: $0.47/ft^2 (16 cents per inch thickness)
Of course we don't have absorption coefficients for it, so this is only peripherally relevant here
Which implies to me that the corner mounting might give similar results, and since it's SO much easier to get Safe N Sound than 703 it would certainly be worth a try. But there's no measurement data.The numbers are similar to 703 type materials
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