Posted by Wayne Parham [ 70.128.110.173 ] on January 05, 2009 at 21:35:25:
In Reply to: Re: Imaging, placement and orientation posted by breakfastchef on January 05, 2009 at 20:38:38:
That's very true. The one π and two π models do not provide constant directivity like the three π, four π and π cornerhorn models do.
The one π and two π speakers are direct radiators with fairly simple crossover networks. They're great for on-axis listening, but cannot provide uniform directivity like the horn models do. Best performance from the one π and two π models is best realized straight on-axis with the midwoofer. That's what they are designed for.
The three π, four π and π cornerhorn models are a different breed though. Each is designed to provide uniform directivity throughout a 90°x40° pattern. Not only are they designed for spectral balance along a 90° horizontal arc, but also up and down through a 40° vertical arc. Beyond that, HF output is sharply reduced, which is useful for limiting ceiling slap.
The improved vertical pattern sets these models apart from similar speakers from other manufacturers, where attention is paid almost solely on the performance along the horizontal plane. Our speakers are designed for superior spectral balance within the pattern in both horizontal and vertical planes.
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