Compression driver phase plug

Details Compression driver phase plug Compression driver phase plug

1998-06-04

2000-05-16

Kuntz, Curtis A.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having acoustic wave modifying structure

381340, 181159, 181152, H04R 2500

Patent

active

060647450

ABSTRACT:
A phase plug for a horn loaded speaker has a frustro-conical body with a spherical entrance end and a planer outlet end. The plug is formed with radial channels. The entrance of the phase plug and the speaker diaphragm are conformal and the channels have generally equal aperture area from the entrance to the outlet, or slightly increasing aperture areas so as to minimize diffraction The truncation surface is defined by the intersection of the sidewalls of the conical body and the cone angle of the horn.

REFERENCES:
patent: 2037187 (1936-04-01), Wente
patent: 2183528 (1939-12-01), Blackburn
patent: 3254484 (1966-06-01), Kopper
patent: 4143738 (1979-03-01), Nakazono et al.
patent: 5117462 (1992-05-01), Bie
patent: 5351220 (1994-09-01), Noselli

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