Loudspeaker having a two-part diaphragm for use as a car loudspeaker

An electrodynamic loudspeaker (1) has a diaphragm comprising a central part (2) and a peripheral part (3), and a voice-coil device (9, 10) coupled to the central part (2). The ratio S2/S1 complies with the relationship 0.5

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Bibliographische Detailangaben
Hauptverfasser:	NIEUWENDIJK, JORIS A. M, DE HAAS, FRANCISCUS C. M, BAX, JOHANNES W. T, KAMPHUES, JOHANNES J. M
Format:	Patent
Sprache:	eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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Beschreibung
Zusammenfassung:	An electrodynamic loudspeaker (1) has a diaphragm comprising a central part (2) and a peripheral part (3), and a voice-coil device (9, 10) coupled to the central part (2). The ratio S2/S1 complies with the relationship 0.5