| Re: Help with placement of subs with Three Pis [message #73199 is a reply to message #73198] |
Tue, 03 July 2012 16:04  |
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Wayne Parham
Messages: 18726
Registered: January 2001
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Illuminati (33rd Degree) |
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Either position A or B would work, but I would prefer A. That position will do a better job of smoothing the reflection off the back wall than the side walls. But this is truly minutia, because if your speakers are positioned tightly in the corners, neither back or side wall reflections will be severe.
When a 90° CD/waveguide speaker is placed very near the apex of the room corner, adjacent walls are acoustically close at low frequencies, so they act more like a constraint boundary than a reflector. And at higher frequencies, the tweeter is directional enough that the energy directed at the walls is reduced at least -6dB, which in turn, reduces the amplitude of any reflections. The angle of incidence helps too, since the reflections from this position don't reach the listener without multiple bounces, truly defining the reverberent field.
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