Loudspeaker reproduction apparatus in vehicle

Details Loudspeaker reproduction apparatus in vehicle Loudspeaker reproduction apparatus in vehicle

1987-11-25

1989-07-04

Isen, Forester W.

Electrical audio signal processing systems and devices

Including frequency control

Automatic tone control

381 24, 381105, 381109, H03G 500

Patent

active

048457752

ABSTRACT:
In a loudspeaker system having an adjustable balance between two speakers having different low frequency reproduction characteristics, the attenuation of low frequency signals applied to the loudspeaker with the better low frequency reproduction characteristics is selectively inhibited even when the balance is adjusted toward the other loudspeaker, so that an adequate low frequency sound will be produced at all times.

REFERENCES:
patent: 3073901 (1963-01-01), Hafler
patent: 3487341 (1969-12-01), Grout

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