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Speaker location in acoustically treated rooms

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Posted on March 27, 1999 at 00:13:41
David Aiken


 
Given that the standard recommendations for speaker placement are designed to minimise the impact of the room on sound, what have people who are using acoustic treaments of some sort found in relation to speaker placement? I assume you can be a little more flexible with placement of speakers and compensate to some degree with placement of acoustic treatments.

Any recommendations for someone just starting to play in this area?

David Aiken

 

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Re: Speaker location in acoustically treated rooms, posted on March 27, 1999 at 01:01:57
Steve


 
Correct speaker placement is based on a number of interrelated factors.

Room reflections, direct vs. reflected energy, relative phase, room nodes, corner and wall bass reinforcement (and therefore amplitude and balance), polar response of the tweeter, relationship of distance to energy reaching your ears, diffraction off furnishings etc. etc.

The art of speaker positioning is in finding the optimum balance between all the above.

Treatment or no treatment, there is only one 'best' position for your speakers, relative to a fixed listening position.

Treatment simply makes the best postion better and naturally improves all the sub-optimum positions as well.

Steve

 

Re: Speaker location in acoustically treated rooms, posted on March 28, 1999 at 22:24:41
Mike


 
I'm skeptical of the idea that room treatments give you any significant
additional flexibility in speaker placement and listening position. In
my room, anyway, they were not that powerful. At least those within my
budget were not. I found that it was important to get positioning right
first and then fine tune things with the traps and the foam, etc.

In any case, buy an analog Radio Shack sound level meter and a test CD
containing tones and see what's going on in your room. And then move
things around while looking for an improvement. After that is done,
you will be in a much better position to select approprite treatments
to make things even better.

Mike
Redwood City, CA

 

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