Audio voice coil adaptor ring

Details Audio voice coil adaptor ring Audio voice coil adaptor ring

1997-11-04

2000-09-12

Le, Huyen

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

381400, 381404, 381407, H04R 2500

Patent

active

061188840

ABSTRACT:
A voice coil adaptor ring and loudspeaker system of the moving coil type including a cone diaphragm supported by a frame, a voice coil former for supporting a voice coil, and a lower suspension for securing and centering the voice coil former in a magnetic gap while it is displaced by a magnetic circuit. The voice coil adaptor ring is mounted over the voice coil former and comprises a substantially cylindrical sleeve having at least one ledge extending outward from said sleeve for supporting the cone and lower suspension and a plurality of venting passages in fluid communication with a cone volume defined by the cone for venting hot air from the cone volume.

REFERENCES:
patent: 4118605 (1978-10-01), Kobayashi
patent: 5734734 (1998-03-01), Proni

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