Low frequency cabinet, in particular for a triphonic audio netwo

Details Low frequency cabinet, in particular for a triphonic audio netwo Low frequency cabinet, in particular for a triphonic audio netwo

1980-02-20

1982-04-20

Olms, Douglas W.

179 1G, H04S 100

Patent

active

043260993

ABSTRACT:
The present invention covers a low frequency acoustic cabinet.
The cabinet contains two enclosures holding at least one low frequency loud-speaker so that the front face of each loud-speaker radiates inside a cavity communicating with the outside through an opening of prearranged dimensions. In a preferred way of producing the invention, these enclosures are face to face so that the loud-speaker in one is opposite the loud-speaker in the other.
Such a low frequency cabinet is used in particular in high fidelity triphonic acoustic reproduction networks.

REFERENCES:
patent: 3016424 (1962-01-01), Franke
patent: 3076520 (1963-02-01), Farwell
patent: 3400217 (1968-09-01), Kraut
patent: 3609240 (1971-09-01), Fixler
patent: 3892917 (1975-07-01), Sotome
patent: 4200170 (1980-04-01), Williams
"The Case for a Third Channel" by Feldman, Radio and TV News, Mar. 1959, pp. 70, 71, 104 and 105.

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