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Old 17th August 2010
  #50
Gear Guru
 
Glenn Kuras's Avatar
 

Quote:
If I place the bass traps flat on the wall, do they need some type of gap behind them? Right now they are attached to 2" strips which actually gives them about 1.5" of a gap. However, the wood will be nearly flat against the wall (no sound or air can get behind except for whatever gap is behind once the hanging hardware is attached... wire and/or D-hooks or both) so I'm not sure if this qualifies as a gap.
You should be fine with a gap like that. If you want you can gap it a bit more which will help with absorbing low end, but not sure if you would really notice much of a difference to your ears.