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DESCRIPTION JPS5476731

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DESCRIPTION JPS5476731
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side sectional view of a speaker device
showing a conventional example, FIG. 2 is a side sectional view showing an embodiment of the
present invention, FIG. 3 is a front view thereof, FIG. 9 is a side sectional view showing another
embodiment. 1 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · enclosure, 5a ...
auxiliary back cavity, 6 ... back cavity, 7 ... ... - fixture, 8 ... baffle face, 9 ... space.
DETAILED DESCRIPTION OF THE PROBLEM The present invention relates to a speaker device
incorporated in a plurality of speaker units, such as a two-way or three-way system, in which a
vibration of a bass speaker unit is transmitted via a baffle toward a mid-high sound And more
particularly to a speaker device with reduced adverse influence on the speech unit. 2. Description
of the Related Art Conventionally, in a speaker device such as a two-way or three-way system in
which frequency bands are divided and each frequency band is reproduced by a plurality of
speaker systems, as shown in FIG. 1, the bass speaker unit 2 and the mid- In the state in which
the speaker unit 4 is assembled with the same baffle surface 3 of the nickel / y l, the middle and
high tone loudspeaker unit 4 was disposed in a box-shaped musical note / noise 6 provided in
the inside of the nipprojer. However, in the speaker device thus configured 6, the vibration of the
diaphragm of the bass speaker unit can be transmitted to the middle and high tone loudspeaker
unit via the nofle tuning, adversely affecting the sound emitted from the mid-treble speaker unit ,
Giving rise to the problem of increasing the distortion component of the entire speaker device 2 ζ 2, degrading 1 resolution. Also, to solve this problem. There is also a method such as placing it
on the upper surface of the enclosure without being built in a unit for high / mid-range sounds /
unit / clay / etc, but with such a configuration, the bass speaker unit and the mid to high Each
sound source of the speaker unit for the speaker unit is disconnected from each other, and the
sound image becomes remarkably unnatural. SUMMARY OF THE INVENTION The present
invention has been made in view of the above circumstances, and it is an object of the present
invention to provide a speaker device in which the middle-high tone loudspeaker unit is not
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adversely affected by the bass loudspeaker unit and the sound image feeling does not become
unnatural as before . Hereinafter, the present invention will be described concretely based on the
illustrated embodiment. In FIGS. 2 and 3, the bass speaker unit 21 'f is placed in the enclosure as
before. It is added to the baffle 3. The middle and high tone loudspeaker unit 4 is mounted on the
front surface of the box-shaped auxiliary auxiliary back cavity 5, and its mounting is performed 3
- 27 Hz. Hanokuchi heights 6 which open on the baffle surface are formed on the baffle surface 3
at the position where the middle and high tone loudspeaker unit 4 is to be mounted and this
Banque cab 6 is formed by replacing the E supplemental Hanochqqty 5 accommodating the
middle and high tone loudspeaker unit 4 with When inserted, it is necessary to have a size
enough to leave a gap 9 between the outer circumference of the auxiliary hanakh cahrty 5.
The auxiliary hack cavity 5 is bridged and fixed to the baffle surface 3 as a fixture 7.7. In such a
speaker device, the middle and high tone loudspeaker unit is not directly attached to the same
baffle surface on which the bass speaker unison is attached, and also placed during the
assistance · · · no-bulk, Since it is supported by the surface and leaves a gap between it and the
auxiliary bank cavity 7 · · · · · · · · ___ ___ ___ ___ 0 ___ ___ ___ 0 ___ ___ 0 It is possible to
significantly reduce the sound generated from the speaker unit for medium and high frequency
sounds 't - 5 No, the distortion component of the speaker device as a whole is reduced 4 -', - 1 1
clear resolution reproduced sound with excellent resolution can get. Incorporating the speaker
unit for medium and high tone is also. Since it can be set at almost the same position as in the
past, it has remarkable effects such as being able to keep the sound image naturally. In the above
embodiment, the description has been given of the 2-way type 2 skier type, or even in the case of
3 or more force type, the medium sound and high frequency sound source unit are respectively
equipped in the auxiliary back cavity, and the back Even if they are installed in the same auxiliary
back cavity 5a as plural middle and high tone speaker units 4a and 4b as shown in FIG. 4, it is
sufficient to form the cavities in the respective enclosures / Good. In addition, the air gap 9 may
be filled with a sound absorbing material such as maltzolene, so that the vibration transmitted
through the air gap can be further reduced. Furthermore, if a flexible material having a large
buffering effect such as a soft comb is used as the fixing tool, it is possible to reduce vibrations
transmitted as transmission 5-bea, beat, 1 via a fixture.
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