摘要 |
PROBLEM TO BE SOLVED: To provide a speaker apparatus which improves sensitivity of a low-pitched sound area, reduces whistling sound, specially is a small size, and is excellent in reproduction characteristics of a low-pitched sound. SOLUTION: While a bass reflection duct 15 is connected so as to pull out from a backboard of a cabinet 10; a part of the end side of the bass reflection duct 15 is curved, guided into the cabinet 10 again, penetrated, and connected to an opening of a front face side of a baffle plate 11. Moreover, cross sections of an ingress 16 of the bass reflection duct 15 and an egress 17 gradually become small in proportion to approach an intermediate part. COPYRIGHT: (C)2008,JPO&INPIT
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