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Message: <blockquote data-quote="Why So Cereal?" data-source="post: 7505832" data-attributes="member: 626047">long story short: Science fair coming up and my plan is to simulate a room and soundproof it with 3 different materials, and test the resulting db's in relation to each type of material. I plan on making a big enclosure with 3 compartments. One with the battery and amp, one with the speakers built into the wall facing into the last compartment which will contain a cheap db meter for relative usage. My issue is finding 3 different insulating materials to test in the wall panes I'll be using for holding the insulation during testing.cliffs of the cliffs: ofcourse there's cotton fiber for insulating rooms with but I need atleast 2 other materials usually used for soundproofing. anyone know of some?</blockquote>

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