Concentric tube suspension system for loudspeakers

Details Concentric tube suspension system for loudspeakers Concentric tube suspension system for loudspeakers

1998-03-27

2000-08-01

Dang, Khanh

Acoustics

Diaphragm

Mounting or suspension means

381403, 381432, G10K 1300, H04R 2500

Patent

active

060952806

ABSTRACT:
A concentric tube suspension system and loudspeaker system of the moving coil type, including a diaphragm supported by a frame, a voice coil including a former and voice coil winding supported by the former, and a suspension system for stabilizing and centering the voice coil in a magnetic gap while it is linearly displaced by an electromagnetic motor. The suspension system generally comprises a tubular stabilizer attached to the bottom surface of the diaphragm so as to concentrically straddle the voice coil and electromagnetic motor, and a lower corrugated suspension attached at one end to the frame and at the other end to the lower end of the stabilizer, wherein the stabilizer and lower suspension provide a centering force below the traditional neck joint location on the voice coil.

REFERENCES:
patent: 4239943 (1980-12-01), Czerwinski
patent: 5323469 (1994-06-01), Scholz

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