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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
mijostyn's avatar
mijostyn
8,570 posts
 
IMHO the only rational for tube traps is that a lot of people make money on them.
theaudiotweak
2,806 posts
 
With a constant tone or even a strike point you can find the Resonant Point of any surface of any size or dimension. Tom
theaudiotweak
2,806 posts
 
Mijostyn,

You may want to  fill with some volume one of your glass objects with olive oil and then compare. Oils will conduct shear depending on their solid content. Distilled water less than salt water..Origin of olive oils will vary in shear velocity. Tom
geoffkait's avatar
geoffkait
23,365 posts
 
It wasn’t misonjin but you’re very close.
theaudiotweak
2,806 posts
 
Mahgister,
My most recent posts were about your method and obsevations. Tom
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