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Electrodynamic Loudspeaker with Baffle: Motional Impedance and Radiation

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The purpose of this study is to provide us with the characteristics of the radiated field by an electrodynamic loudspeaker knowing the electric excitation of the voice-coil. This acoustic field, finally calculated from the so-called Helmholtz-Huygens integral, depends on the mechanical characteristics of the loudspeaker (masses, stiffnesses, dampings, Young modulus, and Poisson ratio of the diaphragm) and the radiation impedance, elements taken into account by a model for motivational impedance studied for this purpose.

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