JPH0443100U

JPH0443100U -

Info

Publication number: JPH0443100U
Application number: JP1982390U
Authority: JP
Priority date: 1990-02-27
Filing date: 1990-02-27
Publication date: 1992-04-13

Description

[Brief explanation of the drawing]

第１図は第１実施例の断面図、第２図は第１実
施例と従来例との周波数特性図、第３図は第２実
施例の断面図、第４図は第２実施例と他の従来例
との周波数特性図、第５図は従来例の断面図、第
６図は他の従来例の断面図である。１は低音用スピーカ、１ｄはボイスコイル、２
はホーン、３は支持体、４は環状溝、５は吸音材
、６はスリツト、７は空洞、８は高音用スピーカ
である。４上記環状溝４及び／又は空洞７に吸音材５が
充填されていることを特徴とする請求項３の同軸
型複合スピーカ。 Fig. 1 is a sectional view of the first embodiment, Fig. 2 is a frequency characteristic diagram of the first embodiment and the conventional example, Fig. 3 is a sectional view of the second embodiment, and Fig. 4 is a sectional view of the second embodiment. FIG. 5 is a sectional view of the conventional example, and FIG. 6 is a sectional view of the other conventional example. 1 is a bass speaker, 1d is a voice coil, 2
1 is a horn, 3 is a support, 4 is an annular groove, 5 is a sound absorbing material, 6 is a slit, 7 is a cavity, and 8 is a high-pitched speaker. 4. The coaxial composite speaker according to claim 3, wherein the annular groove 4 and/or the cavity 7 are filled with a sound absorbing material 5.

Claims

[Claims for Utility Model Registration] 1. In a coaxial composite speaker in which a treble speaker is incorporated inside the vibration system of the bass speaker, a horn of the treble speaker that faces the inner surface of the voice coil 1d of the bass speaker. A coaxial type composite speaker characterized in that an annular groove 4 is formed on the side surface of the support body 3. 2. The coaxial composite speaker according to claim 1, wherein the annular groove 4 is filled with a sound absorbing material 5. 3. In a coaxial composite speaker that incorporates a treble speaker inside the vibration system of the bass speaker, an annular ring is attached to the side surface of the horn 2 or support 3 of the treble speaker that faces the inner surface of the voice coil 1d of the bass speaker. A coaxial composite speaker characterized in that a groove 4 is formed and a cavity 7 communicating with the annular groove 4 through a slit 6 is formed inside the horn 2 or support 3 of the high-pitched speaker.