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EMMAs on the ROAD: An A-Line Story
Getting great sound with an unsurpassed... Click here to read full article
WFX, A Recap
The end of October brought A-Line and many other... Click here to read full article
Worship Facilities Expo
11/2/2010 - 11/5/2010
Atlanta, GA
Up & Coming Shows & Demos
8/31/2010 - 11/7/2010
EMMA at Eissey Theatre
Flying Venues
Houses of Worship
AL10s on Genie Lifts
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AL-10s Provide Wide Coverage for George Bush
The Pennsylvania Manufacturer & Business Association, headquartered in Erie, PA, held its annual meeting on June 17, 2009. This year, former president George W Bush took the stage at the Erie Bayfront Convention Center as the keynote speaker. The event was reinforced by 4 flown A-Line Acoustics AL-10 arrays stretched across a room nearly 300 feet wide. With 1600 people present at tables stretching from end to end, the distribution of the arrays horizontally was a given. But mitigating sight lines, while achieving complete vertical coverage of the room, was the nut to be cracked.
Grise Audio Visual managed the event production and decided to utilize the AL-10s since the house system simply couldn’t provide the necessary coverage. To resolve the sight line challenge, the stack was flown all the way to the grid. Doing this with only 4 boxes per array posed a risk of insufficient vertical coverage of the room (from front to back). With a few fine adjustments of the array aim, while attenuating the bottom boxes of the array -4dB, great coverage was ultimately achieved. A-Line’s EZAL system really showed its magic during the adjustment phase of the flying process. The EZAL system allowed system techs to properly adjust and aim the array while flown, even after it was all the way to the hang point.
Grise’s Audio Visual tech and Front of House Engineer for the Event had this to add:
"Because the venue is so wide, we were challenged by the fact that the placement for the PA converged with projection sight lines. Part of our solution was to hang the arrays as high as possible. We needed cabinets that could be tucked up into the rafters and provide a low profile. We also needed enough horsepower to cover 22,000 square feet of audience seating and enough control to run lavalier mics from the stage. The AL-10s fit the bill perfectly."
-Greg Hardner
