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RE: speaker/room interaction question

Posted by housteau@hotmail.com (A) on November 26, 2007 at 14:16:54

In Reply to: RE: speaker/room interaction question posted by Duke on November 26, 2007 at 13:27:38:

I understand your position on this, but do not fully agree. First off let me explain that when I say broadband absorption, I do not mean to include the higher frequencies. If a complete room analysis was done, my bet is that there would be numerous problem areas just like there are in most rooms. Yes you could build specialty absorbers tuned to each offending frequency, but that would be a piece of work, and you still would miss quite a few.

The broadband approach to bass trapping allows one to treat the room as a whole and in a simple manner that will smooth out the peaks and valleys. This will often take care of many midrange issues as well. A properly treated room will not deaden the room, but rather allow the natural lower and mid frequencies to be there unreinforced, nor cancelled out by minimizing the boundry effects.

Reflections are another story and if the bass traps are in a first, or second order reflection area, then they can be made to absorb the higher frequencies as well. Properly placed first order high frequency absorbers and diffusers will reall help this type of room with plywood walls.

With that being said, you are right in that there are different ways to approach the same problems. Some prefer reflection, refraction and diffusion to absorption of the higher frequencies. I think most rooms benefit from a well placed mix. Tuned absorbers can work very well and are a definate option.

Edits: 11/26/07 11/26/07

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