Electrical audio signal processing systems and devices – Vehicle
Patent
1988-05-06
1990-04-03
Isen, Forester W.
Electrical audio signal processing systems and devices
Vehicle
381109, H04B 100
Patent
active
049147072
ABSTRACT:
A speaker system for a vehicle having both front and rear speakers. Both speakers are connected in parallel to an amplifier. The impedance of the rear speaker circuit is made greater than that of the front speaker circuit. A resistor may be placed in series with the rear speaker or a shorting ring may be attached to the coil of the front speaker to decrease the high frequency impedance.
REFERENCES:
patent: 3397286 (1968-08-01), Prewitt et al.
patent: 4573189 (1986-02-01), Hall
Kato Shinjiro
Kihara Hisashi
Sato Takeshi
Yamamoto Hideo
Yoshimi Toshikazu
Isen Forester W.
Pioneer Electronic Corporation
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