And what about a roll of fibreglass as a bass trap?

[Dr X]

I've got a couple of large rolls of loft\attic insulation fibreglass..the rolls are probably three feet or more in radius and about four feet tall. If I covered these rolls in nice open fabric would they work as good bass traps in a corner?

[Alex W]

Don't know for sure but I'd guess not. You'd get some absorption from the fiberglass but no bass-trapping resonance. The principle behind an absorber is the sealed air space which resonates. Your roll of insulation won't create a sealed space and therefore won't resonate and trap any bass frequencies.

Alex

[kartikbala]

I remember reading on this bbs abt someone wrapping fibreglass around chicken wire to get a bass trap. Dont have the link to that thread here...mebbe someone else can help.
cheers!

[laptoppop]

Here's a link to a do it yourself bass trap:

http://ic.net/~jtgale/diy2.htm

I believe the pipe insulation in the article is quite a bit denser than the fluffy normal insulation, though.

-lee-

[Dr X]

Thanks chaps! So when Auralex et al sell you their corner bass traps, which are just big triangular chunks of foam as far as I can see, are we saying they don't work?...or only a little bit?