Loud-speaker

Details Loud-speaker Loud-speaker

1983-03-07

1984-03-20

Fuller, Benjamin R.

Acoustics

Plural diaphragm sound sources

Three diaphragms

181150, 181152, 181154, 181199, H05K 500

Patent

active

044375409

ABSTRACT:
A loud-speaker of a closed or a bass-reflex type, wherein a plurality of speaker units are intensively arranged behind an opening of a baffle board or a throat of a sounding horn with the sound wave radiating direction thereof being concentrated toward the center axis of the opening of throat, and the total area of the entire diaphragms of the speaker units is made substantially equal to, or larger than, the area of the opening or throat.

REFERENCES:
patent: 2194664 (1940-03-01), McDonald
patent: 3608665 (1971-09-01), Drisi
patent: 3715008 (1973-02-01), Lover
patent: 4213515 (1980-07-01), Loupmen

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