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D.I.Y. Bass Traps- calling acoustic techs....

I have been reading about diy bass traps but still have some questions. For me I am going to build some round tubes with fiberglass pipe wrap or Rock Wool. This is avail locally in 3 ft sections and 12 in diameter with a 2 in thick wall. The paper cover can be removed and wrapped with cloth. The ends can be glued on with mdf or plywood.
The problem I have is a 50 hz bummp. Most of what I am reading says these traps are good around 100 hz. Do you think stuffing each tube with more fiberglas insulation will make them more effective?
If so, should it be packed loose or tight?
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Showing 1 response by shadorne

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shadorne
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FWIW - large = minimum of 16 inch thickness for absorbers ...and probably all four corners treated extensively (floor to ceiling)

You could use resonators but they tend to ring - and in the end it may be better to have a hump and a better RT60 than no hump and a poor RT60.
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