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How small of a space is too small for a diffusor?
Old 17th January 2020
  #1
Gear Maniac
 
Indellable's Avatar
 

How small of a space is too small for a diffusor?

Building an amp iso closet this weekend. The front door will be set at an angle which will make a long and short wall and increase the inside space while cutting down on normal 90 degree angles. Thought is it could be used for several other applications in a pinch (back-up vocalist, trumpet or other horn, etc). Dimensions are below. Any value in adding a diffusor to a "room" this size?

3.5'W x 8'H x 5'L on short wall and 7.5'L on long wall.
Old 17th January 2020
  #2
Gear Addict
 

No.
Diffusers (poly) can have a function in concerthalls or large tracking rooms but not in small rooms. And beware of the numerical ones, especially the QRD 734 likes as they can color the sound like something else.
Old 4 weeks ago
  #3
Lives for gear
 
Jens Eklund's Avatar
The ISD/ITD -gap (control room / tracking room) should be at least about 12 ms for diffusers to be useful. The ISD-gap (control room) should ideally be >3 ms longer than the ITD-gap.
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