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Radiation of Enclosed Loudspeaker in a Large Baffle: Speaker Simulation Model

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A theoretical step-by-step investigation of the conventional speaker, placed into a sealed cabinet and then installed within a rigid wall, has been conducted. The speaker diaphragm was simulated by a rigid circle piston and then by a number of concentric rings inserted into a large but finite sized baffle and enclosure. The acoustic pressure and dynamic displacement expressions were formulated using a quasi-dynamic approach to loading force representation. This simulation allows for the withdrawal of some standard assumptions commonly used in the traditional theory of plates. A block-scheme of a proposed computer simulation using the developed quasi-dynamic model is also presented.

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