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JPH0591586

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DESCRIPTION JPH0591586
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
loudspeaker system comprising a plurality of loudspeakers.
[0002]
2. Description of the Related Art As a speaker system in which a plurality of speakers are
attached to a box which is a single box, a high sound speaker 1 and a low sound speaker 2 are
conventionally arranged on the front of the box 3 as shown in FIGS. What is attached to is
known.
[0003]
Also, when using two speakers in the same band, conventionally, as shown in FIGS. 6 and 7, the
speakers 5 and 6 are attached to both sides of the box 4 to form an 8-shaped sound field. To
improve the directivity.
[0004]
However, in each of the above-described conventional examples, two speakers 1 and 2 are
electrically connected to one external terminal 9 through connection lines 7 and 8, respectively. ,
6 are electrically connected to one external terminal 12 via connection lines 10, 11, respectively.
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Therefore, it was impossible to put a plurality of signals of the same band in one box 3 and 4
respectively.
For this reason, it is necessary to prepare a completely separate speaker box in order to broaden
the sense of sound, which is disadvantageous in space and cost.
[0005]
The present invention has been made in view of such a situation, and it is an object of the present
invention to provide a low-cost speaker system that can expand the sense of presence with one
housing and is easy to move.
[0006]
According to a first aspect of the present invention, there is provided a loudspeaker system
comprising: an outer casing having an opening at its front, a pair of left and right inner casings
provided in the outer casing, and a front face of the inner casing. And a second speaker
respectively attached to the opposite surface of the inner casing, and an external terminal
electrically connected to each speaker independently. Do.
[0007]
The speaker system according to claim 2 is characterized in that the frequency bands of the
respective speakers are equal.
[0008]
In the speaker system according to the first aspect of the present invention, the sense of
presence when listening to the sound from the front by the sound emitted from the pair of first
speakers facing the front and the pair of second speakers facing the front Can be extended.
Further, since the first speaker and the second speaker are connected to independent external
terminals, different signals can be input to the respective speakers, and a stereo effect can be
obtained.
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2
[0009]
In the speaker system according to the second aspect of the invention, since the first and second
speakers have substantially the same frequency band, the sound field is uniformly formed, and
the center localization is improved.
[0010]
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the speaker
system of the present invention will be described below with reference to the drawings.
[0011]
1 to 3 show the configuration of an embodiment of the present invention.
Inside the outer housing 21, a pair of left and right cube-shaped inner housings 22 and 23 are
provided.
The first speaker 24 is attached to the front surface of the left inner casing 22, and the second
speaker 25 is attached to the inner side surface.
Each of the speakers 24 and 25 is independently and electrically connected to the external
terminals 28 and 29 via connection lines 26 and 27, respectively.
Similarly, a first speaker 30 is attached to the front surface of the right inner casing 23, and a
second speaker 31 is attached to the inner side surface. Each of the speakers 30 and 31 is
independently and electrically connected to the external terminals 34 and 35 via connection
lines 32 and 33, respectively. Furthermore, the frequency bands of the speakers 24, 25, 30, 31
are substantially the same. An opening 36 is formed at the center of the front of the outer casing
21.
[0012]
According to this embodiment, the sounds 41 and 42 emitted from the pair of left and right first
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speakers 24 and 30 facing the front and the sounds 43 emitted from the pair of left and right
second speakers 25 and 31 facing each other. , 44 make it possible to broaden the sense of
realism. In particular, the sounds 43 and 44 emitted from the second speakers 25 and 31 collide
with each other to form a sound field 45 with good localization at the center.
[0013]
In addition, since each of the speakers 24, 25, 30, 31 is independently and electrically connected
to the external terminals 28, 29, 34, 35 through the connection wires 26, 27, 32, 33,
respectively, A stereo effect can also be produced by putting in another signal of equal band.
Furthermore, since the entire speaker system is housed in one outer casing 21, installation and
movement are easy, and the cost can be reduced.
[0014]
As described above, according to the speaker system of claim 1, the left and right pair of inner
casings are provided in the outer casing, and the first speaker is disposed on the front face of
each of the inner casings. Since the second speaker is provided and each speaker is
independently connected to the external terminal, the sense of realism of sound can be expanded.
Further, since the speaker system is housed in one outer casing, installation and movement are
facilitated, and space and cost can be reduced.
[0015]
Further, according to the speaker system of the second aspect, since the frequency bands of the
respective speakers are equalized, the sound field is formed uniformly, and the sound field
having good localization is formed in the center.
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