Electrical audio signal processing systems and devices – Electro-acoustic audio transducer
Patent
1997-04-24
1998-07-14
Le, Huyen
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
381 99, H04R 2500
Patent
active
057816425
ABSTRACT:
A speaker system that has a first speaker containing a first speaker unit in a first cavity and a second speaker containing a speaker unit wherein the crossover frequency of the first speaker and second speaker is f.sub.cr : 1.4.ltoreq.Q.sub.1,.ltoreq.10, f.sub.1 <f.sub.2, f.sub.1 .ltoreq.f.sub.cr .ltoreq.f.sub.1 .times.{(Q.sub.1.sup.2 +1.2.times.Q.sub.1)/(Q.sub.1.sup.2 -2.5)}.sup.0.5 .times.k, l.ltoreq.k.ltoreq.{(Q.sub.1,/(Q.sub.1,-1.4) }.sup.2.5, where the fundamental resonance frequency of the first speaker is f.sub.1, the resonance sharpness is Q.sub.1, and the fundamental resonance frequency of the second speaker is f.sub.2.
REFERENCES:
patent: 4015089 (1977-03-01), Ishii et al.
Iimura Katsuhiko
Tanaka Shoji
Le Huyen
Matsushita Electric - Industrial Co., Ltd.
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