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Surround speakers and orientation [message #62185 is a reply to message #62177] Thu, 25 March 2010 01:08 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18726
Registered: January 2001
Illuminati (33rd Degree)

For surrounds, I usually see the one π and two π speakers as pretty much interchangeable. Both work very well, and as surrounds they are an excellent match for three π or four π mains. The only difference is the two π speakers have a little bit fuller midbass.

In your case, being near corners, it might sound better to use one π speakers for surrounds. But I'll bet the two π speakers would sound great too. Usually the surrounds are just ambience and effects but sometimes they have some pretty serious content and that little bit extra midbass from the two π's might be an advantage on those soundtracks.

As for orientation, just like the front left and right speakers should be toed-in 45° so their forward axes cross just in front of the listening area, the surrounds should be toed-in so their forward axes cross just behind the listening area. This makes the surround speaker toe-in very severe, like 80°.

The surrounds should be positioned just behind the listeners and to the sides. It is good to have them on the side walls, just a few feet behind the listeners. In this position, they are oriented nearly 90°, usually something between 70° and 80° compared to a forward facing position.

 
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