New build - new speaker placement dilemma... (proximity to walls and corners) - AVS Forum
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post #1 of 3 Old 11-30-2012, 07:42 AM - Thread Starter
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Looking for some more advice from the "gurus"- you guys were very helpful in helping me narrow my speaker choices, and due to a last minute budget reduction (my receiver died LITERALLY the week I started planning speaker choice), I am most likely going with the HTD Level 2s- I had chosen the Lvl 2 towers, C, and Surrounds, with the plan being to use my ML Dynamo until I feel it (possibly) can't keep up anymore.

Here's the pickle- I stumbled on an article (I think someone here pointed me to), and it talked about NOT putting towers against the wall/in the corner for reflection management. With my current setup, my screen leaves 8 1/2" on either side for the front speakers. ONE side will put a speaker right against wall AND in a corner- the opposite side wall actually comes outward about 45 degrees , so that one will not be sitting completely in a "corner".

My question is, should I ultimately reduce my screen size to allow more room for my speakers? I had all but settled on a 120" (after repeated taping off and viewing different sources from different seating distances...). If I go with a 110" fixed instead, it will give me 15" on either side of the screen, vs. the 8 1/2 or so I am left with now. (with the Level 2 towers measuring 7 1/2" wide, I believe) Of course this is disheartening after all the 120" viewing I have done, but i certainly don't want a "looks great, sounds like crap" scenario.

FYI- room is 18' D X 13' W. The actual screen wall is 10.5 W X 7.5 H. Seating distance isn't locked down- I have been playing around with a 11-14' distance thus far.

Thanks for any input/suggestions. I feel like I should be making paypal donations to you guys for all the help so far. biggrin.gif Cheers (flooring should be done in the next 2 weeks, so after that it's go time)
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post #2 of 3 Old 11-30-2012, 07:55 AM
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Quote:
Originally Posted by MBRICHARD View Post

I stumbled on an article (I think someone here pointed me to), and it talked about NOT putting towers against the wall/in the corner for reflection management.
Wall and corner placement has nothing to do with 'reflection management', as those frequencies high enough to heard as early reflections have angles of dispersion narrow enough for it not to occur off the rear wall at all, and not off the side wall if you toe the cab inward. What is affected by the distance to both the rear and side walls is low frequency response, which can be both augmented and negated based on the distance to the boundary and frequency. You can use sources like this to precisely predict boundary effects...
http://www.padrick.net/LiveSound/CancellationMode.htm

or simply try different spots until it sounds the best.

Bill Fitzmaurice Loudspeaker Design

The Laws of Physics aren't swayed by opinion.
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post #3 of 3 Old 11-30-2012, 08:08 AM - Thread Starter
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Thanks for the correction (and the chart). I was pretty sure it was low frequencies I needed to be concerned with, but wasn't sure how to properly relay that here.
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