| Re: Let's talk about 4Pi Speaker Stands =p [message #71801 is a reply to message #71800] |
Fri, 16 March 2012 09:53   |
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Wayne Parham
Messages: 18835
Registered: January 2001
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Illuminati (33rd Degree) |
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I like using stands that are 12" to 15" tall, and have 3°-7° tilt. The reason is this puts the acoustic center at ear height, and maintains a nice forward lobe that is centered. A very important secondary reason is the angle helps to cradle the speaker, using a back stop on the platform that the speaker rests upon. Just put a rubber mat or feet under the speakers and they'll hang on tight.
I actually prefer the lower end of the scale, 3°-5° these days. A few years back, I preferred the higher end of the scale (5°-7°) for four π speakers, and the lower end of the scale (3°-5°) for three π speakers. The reason was that the forward lobe for the three π was perfectly centered (+/-25°), but the pre-2007 crossover for the four π gave a slight downward tilt of about 3° (+20°/-25°). So a little more back tilt helped center it. But we changed one component to move that lobe up a smidge, and now it's perfectly centered too.
I still prefer a slightly taller stand for the four π speakers, towards the upper end of the scale at 15". The stand height I like for the three π speakers is 12".
All of this is probably minutia, just being a perfectionist. The forward lone is nice and tall, easy to work with. It's not so tall that you get a bunch of ceiling slap, but it's tall enough to cover the listeners at practically any natural height even from just a few feet back. They can be standing, sitting in a chair or sitting on the floor and they'll not be in a null, or outside in a secondary lobe. Movement of a couple degrees up or down is really a non-issue. But hey, what's wrong with perfection? 
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