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  1. Alternatives to Rigid FiberGlass/Rockwool

    Home Audio Acoustics
    Hey guys, I'm a noob here... I have some questions about DIY acoustic panels. Are there any good alternatives to Rigid Fiberglass , rock wool, etc...? It is super hard to find it in my area. I know I can get it online, but I'd like to shop local. All I've see is for tube traps that use...
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