Phasing plug for compression driver

Details Phasing plug for compression driver Phasing plug for compression driver

1991-03-20

1992-05-26

Ng, Jin F.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

381158, 381202, 181159, 181185, H04R 2500

Patent

active

051174626

ABSTRACT:
An improved compression driver has a phasing plug with air passages coupling the compression region of the loudspeaker to the throat of the loudspeaker. An auxiliary air passage combines with a plurality of inner primary passages, which may be of the annular, radial or saltshaker form, to couple variations in pressure from the region around the voice coil to the throat of the speaker.

REFERENCES:
patent: 2037187 (1936-04-01), Wente
patent: 4050541 (1977-09-01), Henricksen
patent: 4152552 (1979-05-01), Meyer
patent: 4157741 (1979-06-01), Goldwater
patent: 4164631 (1979-08-01), Garner et al.
patent: 4325456 (1982-04-01), Ureda
patent: 4975965 (1990-12-01), Adamson

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