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above on higher rows, employing improved front-to-back coverage afforded by the height advantage. A third
stacked row enjoys an extra nine feet of height and can have MultiBand Waveguides tilted up for balcony
coverage. The structural cross-bars in the Spaceframe and its light weight make it easy to lift and handle by as
few as two able-bodied stage hands. Sliding Connecting Bars into place after stacking speakers helps to ensure
their stability.
Regardless of how HLA units are stacked or arrayed, keep in mind that the system will function as
designed by JBL Engineers, and the most optimum performance will be obtained, when the units are deployed
using a 2-to-1 ratio of 4895 three way units to 4897 subwoofers, and when each "array module" is positioned to
couple the 14" Low Frequency units.
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