Title: Wide range speaker system

Abstract: In the speaker system disclosed herein, the magnet supporting basket of a downwardly-facing, acoustic-suspension woofer supports a bell-shaped diffuser which circumferentially disperses midrange acoustic components radiated from the back side of the speaker cone. A cylindrical array of tweeter elements are mounted on a rim on the diffuser, above its reflective surface.

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Inventors: Janszen, Arthur A. (Belmont, MA, US)

Application Number: 549393
Filing Date: 1975-02-12
Publication_date: 1976-01-13
Assignee: Electrostatic Research Corporation (Beverly, MA)
Primary Class(es): 181/155 181/144, 181/148, 181/153, 381/160, 381/182, 381/186, D14/212
Other Classes:
US Patent Ref:

2065367	Dec, 1936	Evans	181/144.
3054856	Sep, 1962	Arany	181/147.
3670842	Jun, 1972	Ekdahl et al.	179/1.
3818138	Jun, 1974	Sperrazz, Jr.	179/1.

Other Refs:
Primary Examiner: Tomsky, Stephen J.
Assistant Examiner:
Attorney: Kenway & Jenney