Current research in electroacoustics tends to determine the global transfer function between an initial electrical signal and the acoustic pressure transmitted to the ear. Because electrodynamic transducers radiate in a large frequency range, lumped parameter models, such as Thiele & Small, are not sufficient to provide a realistic simulation of the vibroacoustical behavior of the system. This study proposes the use of modal equations to predict, through the use of Rayleigh`s integral, the sound field in free space radiated by a diaphragm, modeled by a thin shallow sperical shell.
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