Foreground music system using current amplification

Details Foreground music system using current amplification Foreground music system using current amplification

1990-07-24

1991-12-31

Isen, Forester W.

Electrical audio signal processing systems and devices

With amplifier

330148, 381 82, H03G 330

Patent

active

050778013

ABSTRACT:
A foreground music sound system includes at least one complementary array of speakers (12) comprising a bass frequency speaker (20) and a plurality of microspeackers (14-18). The complementary speaker array may be designed to provide full frequency response with substantially uniform sound coverage for a wide variety of acoustic environments. A current amplifier (25) is responsive to a music signal input and a microphone signal input to directly drive the speakers. The amplifier (25) is a high current, low impedance amplifier so that it is capable of driving a large number of speakers, without the need for matching transformers at each speaker.

REFERENCES:
patent: 4048573 (1977-09-01), Evans et al.
patent: 4581589 (1986-04-01), Ikoma

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