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ANSI E1.8-2018 (R2023)
Entertainment Technology - Loudspeaker Enclosures Intended for Overhead Suspension - Classification, Manufacture and Structural Testing
This outlines what you should do so flown loudspeakers, such as line arrays that must support the weight of other speakers below them, don't fail, tear apart, and don't rain parts down on audiences below. This version supersedes the currently available 2018 edition.
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Entertainment Services and Technology Association [esta]