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#395419 - 07/22/13 10:54 PM Wall Distance: How Far Is Too Far?
whippersnapper Offline
old hand

Registered: 02/25/12
Posts: 92
Loc: Montana
Over the years I've heard lots of discussion about how close is too close to a wall behind front speakers. However, I've never really heard much about having a speaker too far away.

I've got M22s up front and they have a rear port. The obvious test would be to move the speakers nearer and farther from the wall and see how it affects the sound. Unfortunately, I have a stairwell between my speakers and the wall behind them, which means that I can't get them any closer to the wall than the width of the stairwell. That's pretty far from the wall.

So, what's your sense of the impact? Am I losing a lot of the information that's coming out of the ports? Or is it a non-issue?
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#395421 - 07/22/13 11:23 PM Re: Wall Distance: How Far Is Too Far? [Re: whippersnapper]
JohnK Offline
shareholder in the making

Registered: 05/11/02
Posts: 10621
Whip, nothing is totally "lost", but the bass reinforcement from being close to a wall occurs to a lesser extent.

Another point that can be mentioned is that the bass driver cones should be at unequal distances from the three nearest room surfaces(floor and two walls)to prevent reflections from piling up at the same frequencies and increasing unevenness of response.
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#395448 - 07/23/13 05:51 PM Re: Wall Distance: How Far Is Too Far? [Re: whippersnapper]
dakkon Offline
connoisseur

Registered: 02/08/04
Posts: 1863
start reading at the bottom of page 15. This resource should sufficiently answer your question.


http://www.wilsonaudio.com/pdf/manual_soph3.pdf

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#395451 - 07/23/13 06:47 PM Re: Wall Distance: How Far Is Too Far? [Re: dakkon]
Hellcommute Offline
veteran

Registered: 09/23/12
Posts: 152
+1 for you.

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#395458 - 07/23/13 08:50 PM Re: Wall Distance: How Far Is Too Far? [Re: dakkon]
whippersnapper Offline
old hand

Registered: 02/25/12
Posts: 92
Loc: Montana
Thanks, Dakkon! That is an approach I've never read about before. Kind of an analog of the "subwoofer crawl" for standard speakers.
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