Speaker system enclosure integrated with amplifier circuit board

Details Speaker system enclosure integrated with amplifier circuit board Speaker system enclosure integrated with amplifier circuit board

1990-05-31

1992-03-17

Razavi, Michael

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having acoustic wave modifying structure

381111, 381116, 381117, 381159, H04R 2500

Patent

active

050975137

ABSTRACT:
An integrated amplifier and speaker system includes a speaker having an enclosure having a closed end and an open end; an electro-acoustic driver sealingly mounted in the open end; a reflex duct connected acoustically to the enclosure through a port and having a reflex duct open end proximate to the electro-acoustic driver means; and an amplifier assembly that has an inner surface defining an interior surface of the enclosure. The amplifier subassembly further includes a circuit board that extends within the enclosure. The amplifier is electrically connected to drive the electro-acoustic driver means.

REFERENCES:
patent: 3766334 (1973-10-01), Burke
patent: 4439643 (1984-03-01), Schweizer
patent: 4511768 (1985-04-01), Patel
patent: 4893343 (1990-01-01), Bada

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