Compensation network for loudspeakers

Details Compensation network for loudspeakers Compensation network for loudspeakers

1982-09-29

1984-11-13

George, Keith E.

Electrical audio signal processing systems and devices

Including frequency control

Having automatic equalizer circuit

381 98, 333 28T, H04R 308

Patent

active

044830157

ABSTRACT:
Passive frequency compensation networks are disclosed which extend and smooth the base response of loudspeakers. The compensation networks include a series resonant circuit including a resistor, inductor and capacitor with the voice coil of the loudspeaker connected in parallel with the resistor and inductor. In another embodiment of the invention, a second inductor is loosely coupled to the first inductor to create a tuned transformer which eliminates ripples in the mid base response of the speaker.

REFERENCES:
patent: 1693401 (1928-11-01), Nyman et al.
patent: 3061676 (1962-10-01), Wirth
patent: 3457370 (1969-07-01), Boner
patent: 3571764 (1971-03-01), Koenigk
patent: 3838215 (1974-09-01), Haynes, Jr.
patent: 3838216 (1974-09-01), Watkins
patent: 4039977 (1977-08-01), Schmidt
patent: 4315102 (1982-02-01), Eberbach
patent: 4419543 (1983-12-01), Kelm et al.

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