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Acoustic treatment

I want to build my own bass traps and was wondering if there are any other alternatives to fiberglass and rokwool. Foam is not a consideration as I don't believe it has the necessary qualities for absorption. I have heard of cotton batting, does anyone have experience with this material. The idea of fiberglass makes me itch just thinking about it, but I'm resigned to using it or rokwool if that's all I have.  Please make suggestions and let me know your experiences.

Thanks
Mike
zardozmike

Showing 4 responses by bdp24

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bdp24
10,096 posts
 
@karl77, I use those pads to damp the high-frequency ring of my drum heads. ;-) Makes 'em sound like Levon Helm's, low and "thumpy".
bdp24's avatar
bdp24
10,096 posts
 
Pretty high profit margin!
bdp24's avatar
bdp24
10,096 posts
 
That reflective "membrane" in the Room Tune is the foil side of the fiberglass insulation. High tech! ;-)
bdp24's avatar
bdp24
10,096 posts
 
Quite right, GK. If you score some of the old Tube Traps (before ASC starting marking them) as I did (a guy advertised them in The Recyler in L.A. in the 90's---ten bucks apiece, for 13 of 'em, 9", 11", 16"!), the seam side is the absorptive side, directly across the tube the reflective. By the way, the Room Tune is just a piece of fiberglass insulation covered in grill cloth, nothing magical (unlike the ASC Tube Trap, which is a relatively highly-engineered product).
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