Line array speaker systems are designed to produce what type of wave front, and what is its key distance advantage?
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A
A spherical wave front that doubles SPL every 6 dB per distance doubling
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B
A cylindrical wave front that loses only 3 dB of SPL per doubling of distance
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C
An omnidirectional wave front suitable for small club environments
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D
A flat wave front that maintains constant SPL regardless of distance