Flat panel sound radiator with fire protective back box
作者： William E. Beakes , Kenneth P. Roy , Kenneth W. Good , Jere W. Myers , John R. Garrick
DOI:
关键词: Airflow 、 Geology 、 Ceiling (aeronautics) 、 Diaphragm (acoustics) 、 Fire performance 、 Radiator 、 Acoustics 、 Transducer 、 Flat panel 、 Bridge (instrument)
摘要: A fire protective flat panel radiator assembly for installation in a suspended ceiling grid is provided. The includes having frame that supports sonic diaphragm, which driven by transducer to reproduce an audio program. back box mounted the and covers encloses diaphragm other susceptible components of radiator. provided with cut-out portion covered air pervious panel, resistant hazards but allows flow out box. In one embodiment, has bridge formed pair shells on each side enclose protect diaphragm. result protected meets performance requirements handling plenums while retaining fidelity sound without
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