Compound loudspeaker

Details Compound loudspeaker Compound loudspeaker

H - Electricity

04

R

H04R 1/24 (2006.01)

Patent

CA 2613205

A compound loudspeaker comprises an acoustically radiating first diaphragm and an acoustically radiating second diaphragm. The first and second diaphragms are substantially coaxial and at least part of the second diaphragm is situated radially outwards of the first diaphragm. There is a gap situated between the first and second diaphragms, and a seal is provided in the gap, thereby preventing or hindering the passage of air through the gap. By providing the seal, the invention solves the problem of audible turbulent airflow through the gap.

L'invention concerne un haut-parleur complexe comprenant un premier diaphragme de rayonnement acoustique et un second diaphragme de rayonnement acoustique. Les premier et second diaphragmes sont sensiblement coaxiaux et au moins une partie du second diaphragme est située radialement vers l'extérieur du premier diaphragme. Il existe un entrefer situé entre les premier et second diaphragmes, et un joint d'étanchéité est pourvu dans l'entrefer, empêchant ou gênant ainsi le passage d'air dans l'entrefer. Par utilisation du joint d'étanchéité, l'invention permet de résoudre le problème de flux d'air turbulent audible dans l'entrefer.

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