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Diaphragms For Electromechanical Transducers
(AREA)
Abstract
Improvements in the manufacture of dynamic loudspeakers, essentially characterized in that, to establish a reinforcing effect of the frequencies of poor reproduction, the vibrating cone is provided with a resonant chamber, located symmetrically and axially on the concave face thereof, constituted by an area front that defines an interior space of conical shape, communicating with the outside through an opening that constitutes a secondary focus of radiation of the reinforced frequencies. (Machine-translation by Google Translate, not legally binding)
ES277896A1962-05-241962-05-24Improvements in the manufacture of synamic loudspeakers (Machine-translation by Google Translate, not legally binding)
ExpiredES277896A1
(en)