Loudspeaker system utilizing an equalizer circuit

Details Loudspeaker system utilizing an equalizer circuit Loudspeaker system utilizing an equalizer circuit

1984-08-13

1986-08-12

Rubinson, Gene Z.

Electrical audio signal processing systems and devices

Including frequency control

Having crossover filter

381103, H04R 314

Patent

active

046060715

ABSTRACT:
A loudspeaker system includes a low-frequency driver and a high-frequency driver which are connected to a crossover network. The crossover network includes an inductor in series with the low-frequency driver for attenuating high-frequency signals at the crossover frequency and a capacitor in series with the high-frequency driver for attenuating low-frequency signals at the crossover frequency. An equalizer circuit connects between the high- and low-frequency drivers and operates to dampen resonant ringing which is otherwise produced. The equalizer circuit preferably comprises a series LRC circuit having a resonant frequency and a Q factor equal to the resonant frequency and Q factor of the circuit formed by the crossover network and drivers. The equalizer circuit is particularly suited for application in a disclosed loudspeaker system which utilizes a high inductance crossover inductor to enhance system bass response without sacrificing clarity.

REFERENCES:
patent: 3457370 (1969-07-01), Boner
patent: 3931469 (1976-01-01), Elliott
patent: 4475233 (1984-10-01), Watkins
patent: 4483015 (1984-11-01), Strohbeen
Smith, J. B., et al., "Improvements in Monitor Loudspeaker Systems," Journal of Audio Eng. Society, vol. 31, No. 6, Jun. 1983, pp. 408-422.

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