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Diffusors effective at what distance?
Old 30th December 2010
  #1
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Diffusors effective at what distance?

Say you have a wall mounted wide range diffusor like commonly seen on the back of control room walls

at what distance do these become effective and ineffective?

It would make sense to me that they don't work if you're standing right next to them, and don't matter if you are too far away
Old 30th December 2010
  #2
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Nordenstam's Avatar
 

The thumb rule is minimum three times the wavelength of the base frequency of operation for the diffuser.
Old 30th December 2010
  #3
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Glenn Kuras's Avatar
For every 1" of depth you should be 1 foot from them. But with that said even breaking that rule (being closer) is still better then a flat wall.
Old 7th January 2011
  #5
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Ben B's Avatar
 

Quote:
Originally Posted by Lupo View Post
The thumb rule is minimum three times the wavelength of the base frequency of operation for the diffuser.
This has been my understanding as well. Three wavelengths of the design frequency.

-Ben B
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