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Re: Speaker Placement
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Joined: Sep 2013
Posts: 125
veteran
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veteran
Joined: Sep 2013
Posts: 125 |
This is fine for symmetrical rooms. What of those of us whose rooms are not symmetrical (side to side or front to back)? Calculations to compensate?
My opinion is worth exactly what you're paying for it!
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Re: Speaker Placement
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Joined: Mar 2014
Posts: 1,593 Likes: 1
connoisseur
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connoisseur
Joined: Mar 2014
Posts: 1,593 Likes: 1 |
It gets a little tricky. But doable still in a rectangular room.
You can mix multipliers to compensate. Its not ideal, but can be improved upon with how the sidewalls are treated.
For example, if you want to shift right you can place at 0.2x width from right side and 0.32x width from left. The distance from the front wall should remain the same between speakers. The listener still need to be positioned at center wrt your R/L channels. The key is avoiding speakers and listeners in either a modal peak or null.
The "magic" multipliers are 0.2/0.32/0.45/0.55/0.68/0.8
Shifting from a fully symmetrical setup is detrimental for matched spl, timing cues and balanced imaging. But, you can compensate by measuring per channel spl at the listening position and adjusting for differing boundry reinforcement. Channels placed near openings or further from walls may need a db boost to compensate. Using a subwoofer(s) for low frequencies will reduce the differences in low frequency boundry effect. Timing cues can be fixed by reducing strong lateral reflections. Absorbtion at first reflection points is your best recourse.
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