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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing one embodiment
of a speaker box according to the present invention, FIG. 2 is an enlarged perspective view of
essential parts of FIG. 1, and FIG. 3 is another embodiment of the present invention FIG. 5 is an
enlarged perspective view showing an example. 1 · · · · · speaker box main body, 2 · · · · · · · · · · · · ·
υE · hole, bored. Figure 1 Figure 2 Figure 3 Figure 39
DETAILED DESCRIPTION OF THE DEVELOPMENT The ζ O idea is O for improving the speaker
box. With the development of audio technology in recent years, the performance of record
player, tape deck, tuner, preamplifier, main amp and speaker has dramatically improved, and we
have come up with '&' so that good quality tone can be heard relatively easily. Ninth, many of
these machines 11 are superior in decoration and design as well. In the above O, 4% in recent
years In the speaker box ■ There are turtles with remarkable O development. In other words,
many speakers such as lub ku u stereo speaker box O llK woofer, speaker 11, -1-1 - jikoka,
tweeter etc. are professionally declared and distributed in the market . * Recently, the abovementioned speaker box sticks a covering member called a dust proof dual purpose saran net
which is attached to the front of the box - to the wooden frame so that the state of arrangement
of each speaker O can be seen from the outside, So that the wooden frame can be detachably
attached. Since the wooden frame company is detachable, the cone paper etc. of the speaker may
be damaged by external finger strikes or the like, so it is preferable that the front face of the
speaker or the opening [the protective net of the Sk metal exhibition is attached , When this
protective net is to be attached to the woofer speaker 411, it protrudes greatly to the buckle
plate rtiti of the speaker box. O Ome, keep the thickness of the wooden frame ■ Netsu) 0! I!
As it gets thicker, the sound O @ to the side of the wooden frame becomes very bad. In other
words, the best sound can not be heard by those who are on the sides of the wooden frame that
Yu Li said at listening as the best sound for those who met with the speaker box, which is
remarkably & ), There is a property that it becomes somewhat smaller as the bass part K is made.
) -'- ~ Ninja Omo Actually remove the above-mentioned O defect, and? Improve lI # characteristics
and make optimum listening [To be able to enlarge ■ ■! ! And to provide a speaker box having
a decoratively excellent structure. In order to achieve the above object, the present invention
provides a speaker box body detachably provided on the front face portion of a speaker box main
body and formed by drilling a large number of holes around a frame body of a covering member
attached to a wood frame is there. DESCRIPTION OF THE PREFERRED EMBODIMENTS
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 shows an embodiment of the speaker box according to the present invention (Diagram C1)
In the first busy hour, J ·) 2 '' 1 is the speaker box body, and the front face of this speaker
nearness 正 1 Each buckle plate 2 = speaker (not shown) such as a horse, a squawker, a tweeter,
etc. is stiffened.
Reference numeral 3 denotes a cover body which is detachably provided on the front face of the
box main body 1 and in which a covering member 3a such as a saran net for dust prevention and
decoration is attached, which is a nine-frame body. As shown in FIG. 2, on both side portions 4 of
this covering body 3, a diffusion 1 [6 is attached, for example, a perforated metal or the like in
which sound omission MO majority 0 holes 5 are formed. 3 - Such diffusion plate 6 is formed by
appropriate means, and elongated hole 1 is punctured on both sides II 4 of covering body 3
beforehand, and this diffusing plate 6 with long hole of 7 Ktll is mounted. Since the diffusing
plate 6 with the large number of holes 5 formed therein is provided in the covering body 3 as
described above, a part of the reproducing sound from the spilling force passes through the hole
5 of the diffusing plate 6 also on both side portions of the speaker box body 10 Propagate.
Therefore, the directivity characteristics are greatly improved. FIG. 3 is a diagonal prayer
diagram of a covering body showing another embodiment of the present invention, and the
periphery of the frame of the covering body 3 is formed by using a covering body 3 tj alumina or
a steel plate or the like as shown in FIG. A plurality of holes 8 are drilled. As shown in FIG. 3,
when the hole 8 is formed around the entire circumference of the covering body 3, sound
omission is added also to the upper and lower side directions, so that the directivity
characteristics are further improved as compared with the case of FIG. 2. As described above,
according to the speaker box according to the present invention, the speaker box main body!
IIIIlis so that a large number of holes are provided on the side of the envelope which is
detachably attached to the crushed frame Kl, so that the directional characteristics can be greatly
busy changed and stuttered and the optimum hearing range 4 - Enlargement can be achieved.
Moreover, according to this O idea there are various excellent effects such as being able to be
able to be decoratively superior structure.
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description, jps5188217
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