DIY links please & bass trap questions

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ThaArtist

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I'm looking for links on making acoustic panels and bass traps. Specifically the triangular bass traps that you can put in corners.

My room is 10.5'x11'x7.10' roughly. I posted image on here before and got help from bpape, ethan, and others. I remember people saying I would need some bass traps for such a small room. Well with this being such a small space the only room I have for bass traps is the ceiling and really it'd have to be the triangular kind.

My next dilema is that there are actually 4 doors in this room (call me crazy I guess) theres nothing I can do about the doors acoustically so I'm not even going to address that issue. So... bass traps, does it matter if they are perfectly triangular? What I mean is because the ceiling isn't 8 ft high its only like 10inches until the doorway. So my triangles couldn't be the prescribed (usual) 1-2 foot wide. This is the idea I was planning on doing in each ceiling corner.

a12_2cr.jpg


I plan on making these myself with 703 and I remember seeing some links on the web on how other ppl did this. Anyone got any links?

If anyone has any feedback please let me know. Or... any links or other ideas would be great.

The ceiling is all i got really for bass traps.

Would this DIY even work as a basstrap?

http://www.diy-home-theater-design.com/bass-trap-build.html

They talk about filling a 10" concrete tube with sand. Huh? Sand?

And then theres this one: http://www.avsforum.com/avs-vb/showthread.php?t=700442

But I think I'll have to stick more towards gluing some sheets of 703 together and cutting them on an angle to make 2 bass traps and just wrapping them in cloth and tryin to figure out how to get them to stay in the ceiling corners? Maybe its not even possible. Maybe I should just get the auralex bass trap kit.

?

Thanks.
 
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Forget the sand in tubes - it's worthless as a bass absorber.

If you have a couple corners where a full size absorber won't work, then make them smaller - do what you can. Don't forget the horizontal corners around the room where the walls and ceiling meet.

Bryan
 
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