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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a slant view of an acoustic box for a speaker.
FIG. 2 is a sectional view of the acoustic box. ■ is plastic thin plate, ■ is liquid. Correction Sho
52.8. 23
[Detailed Description of the Invention] 42 As shown in FIG. 2, this utility model, as shown in FIG.
2, forms a space in the plate inner V with a plastic thin plate 0) as a double plate structure, and a
liquid As shown in FIG. The structure of the board is made of a single thick plate and it can be
inside (ζ space can be created. In addition, the plate may be a metal plate, a wooden plate and
the like as long as it has water resistance and airtightness. By putting liquid in the inside of the
plate in this manner, it is difficult to increase the weight of the plate of the acoustic box, cause
vibration generated in the speaker, and to absorb vibration generated on the surface of the plate
by the internal liquid Kimura Bow - Iru is a utility model registration applicant. If water is used as
water, water inlet and outlet are attached to the board, and water is used when used, it is possible
to save the material of the board when fabricating the acoustic box, 1 weight lightly Because it is
becoming easy to transport. And since water can be obtained anywhere, it is convenient for use
in general households.
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description, jps53161624
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