Adjustably positioned phasing plug

Details Adjustably positioned phasing plug Adjustably positioned phasing plug

1978-08-24

1979-12-25

Stellar, George G.

29594, H04R 906, H04R 3100

Patent

active

041807103

ABSTRACT:
Apparatus and method for precisely adjusting the spacing between the phasing plug of a horn type loudspeaker driver and the diaphragm of such loudspeaker. The base of the pole piece is threaded and threadably engages a mating apertured portion of a back plate. A micrometer is employed to adjust the height of the phasing plug above the surface of the top back plate by rotating the phasing plug on its threads. In this manner, spacing between the phasing plug and the diaphragm can be precisely set for each assembly.

REFERENCES:
patent: 2037187 (1936-04-01), Wente
patent: 3412219 (1968-11-01), Karali
patent: 3619434 (1971-11-01), Blastic et al.

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