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DESCRIPTION JPS55129901

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DESCRIPTION JPS55129901
Specification 11 Name of invention
Cabinet for record blur, turntable, speaker box and speaker frame
3, the present invention relates to a cabinet turret 7 table, a speaker box and a speaker frame for
record blur. Conventional record player cabinets and speaker boxes are made of wood and
plastic, Ae die cast, shape stone, turn table. Speaker 7 REM is molded by AC die casting and iron
plate. However, wood is resonance due to cape juniornity even though it has a good attenuation,
plastic and ordinary Aea - gold have low damping ability against vibration, so the sound quality is
agricultural, the original sound is not reproduced faithfully Taking this into consideration, this
invention forms by using a material having damping ability and faithfully reproduces the original
sound. A turntable, a speaker box and a loudspeaker frame, which can be used as a cassette
recorder. As a result of experiments on various kinds of regenerated materials on condition that
they are suitable for the above object and nonmagnetic material, it was found that A, p + Si 1-t 7 и
-1 alloy containing 70 to SO% of silicon Moreover, I found out that it is suitable for this purpose,
whether it is the one of the organization that crystallized Primary Crab tooth. Next, the
embodiment of the present invention will be explained. In FIG. 1, the molded crown cabinet /, the
turn chief 2, the speaker box 3, the speaker box 3, the large speaker 7 frame 17 t +,) J small
speaker frame + b shows tl. It is to be noted that the symbol S is an amplifier, and the frequencysound pressure characteristic of the Reco 2-End Page: 1 Dovuree constituted by using members
such as a knot is as shown in FIG. 2 Shows the sound pressure evenly over the entire frequency
band as compared with the characteristic of the normal record blur shown in the figure,
indicating that the original sound is faithfully reproduced. Also, since this A (g + si alloy is a
nonmagnetic material, it does not cause magnetic interference also becomes a factor to
reproduce the original sound faithfully. Incidentally, the damping capacity is insufficient in
18-10-2018
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silicon containing tIL of 10% or more, and if it exceeds 1: ?% of -1: strength is insufficient.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a record blazer showing
a practical example of the present invention, FIG. 2 is a frequency-sound pressure characteristic
curve diagram of a record blur of a central example, It is a frequency-sound pressure
characteristic curve diagram of a normal record player. / и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и
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Cabinets, gC) goC1 Rejection ? (Shop's EndPage: ?
18-10-2018
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