8 210 enclosures with 515's? assuming the reverb time was less than 2 seconds in the space with full of fans and the Dc was say 25 ft at 100 hz. That means the system could reproduce appox 112 t0 114 db from the woofers for the listener +/- 3 db. . Unless some of the cells are stuffed to prevent blatant over lapping the HF anomalies would be horrid for the hf horns. But 4 horns with a Q of 16 covering the same area would reduce the Dc to about the same as the woofer box and depending on whether they were using 288C or 291, or 290 drivers the out put capability could be 3 to 4 db higher. . And as impressive as it looks with all it capabilities with the crowd being wound up over a big game the system sill wasn't strong enough to curtail screaming fans. There is one big error in the design of the system you never place horns side by side covering the same area. I wonder do they have two drivers per horn or one? You always stack and then splay slightly if you must with two or more horns covering the same area. . There are also a bunch of other issues, too. Lets see 1000 watts for the woofers and about the same for the horns. Wonder how much power it would take for line array replacements, 10 times, 20 times ?
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