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JPS54113533

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DESCRIPTION JPS54113533
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing a loudspeaker
according to the present invention, FIG. 2 is a plan view showing an equalizer support
constituting the present invention, and FIG. It is a frequency custom-made figure obtained by
changing. 6
иииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии
ииииииииииииииииииииииииииииииииииииии s equalizers support 12 ииии supported Members, 13 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 и и и и и и и и и и и и и и support base
DETAILED DESCRIPTION OF THE INVENTION The present proposal relates to a speaker in which
the distance between the diaphragm and the equalizer can be freely adjusted to freely change the
frequency characteristic. Heretofore, in the speaker unit, an equalizer provided opposite to and in
opposition to the moving plate is fixed at a fixed position, for example, by being single-ended
with the horn. And, the equalizer is the characteristic of the speaker (1) + -7-и и '' It has a direct
effect, so the above-mentioned equalizer is shaken! It is necessary to keep the distance between
the 1'l plate and the plate very precisely and mount it. As described above, it is necessary to
increase the processing accuracy in order to hold and fix the distance from the vibration plate
extremely precisely and fix it, and it is extremely difficult to correct the distance because it is
matched with the characteristics of the speaker. I will. In addition, the characteristics of the
speaker ? are slightly changed depending on the installation date and installation method, or the
listener feels K slightly due to the listener's feeling of sound. From the above, the present
invention can easily adjust the distance between the equalizer and the diaphragm after the
assembly of the speaker itself, and can make the above adjustment even for the user at the end,
and the installation place of the speaker According to the installation method or the preference
of the user, the frequency characteristic of the speaker is adjusted to perform subtle sound
quality adjustment. Hereinafter, embodiments of the present invention will be described with
reference to the drawings. FIG. 1 is a cross-sectional view (2) showing one speaker 911
02-05-2019
1
'according to the present invention, and FIG. 1 is a yoke in which a magnet 3 having a pole piece
2 at the top is disposed at the center. A magnetic circuit portion is formed by disposing a flat 4 at
the upper part of the flat plate so as to face the pole piece 2. Then, the lower half of the Heus coil
5 is disposed so as to face the magnetic air gap between the pole piece 2 and the plate 4, and the
lower half of the suspended half 5 is provided with the diaphragm 6 in the form of a half 1. The
baffle plate 6 is attached to a plate 8 such as a baffle plate with the outer peripheral portion 7a
of the edge I attached to the outer peripheral portion thereof. The outer peripheral portion 7 d of
the edge 7 is attached to the mounting plate 8 so as to hold the customer 9 in the banking 9.
Thus, the mounting is performed via the support member 12 at the center of the ring-shaped
equalizer support 11 having the screw portion 10 formed on the outer peripheral surface so as
to face the diaphragm 6 of the speaker unit mounted on the plate 8 An equalizer 13 is provided.
The support 11 to which the equalizer 13 is attached is a screw that is attached to the speaker
unit relative to the screw 10 formed on the outer peripheral surface of the support (3) provided
on the plate 8. 14 is screwed on a support 15 having a shape 1i1 on the entire inner
circumferential surface.
That is, as shown in FIG. 172, the hemispherical circular equalizer 13 which has several phrases
in the equalizer support 11 has four support members 12 which are thin plate-shaped and bent
in the width direction. It is taken to be centrally located. Thus, the equalizer 13 several words in
the equalizer support 11 is disposed such that the center thereof coincides with the center of the
vib; Therefore, the equalizer support 11 is also screwed to the support base 15 so that the center
thereof coincides with the center of the diaphragm 6. As described above, the equalizer 13
disposed via the equalizer support 11 rotates the support 11 mounted on the support 15 so as to
be rotatable V'c, whereby the vibration 1 plate 6 and The distance 1 of can be freely varied.
When the support 11 is rotated, the four support members 12 for supporting the equalizer 10
are appropriately pressed. The support member 12 has a constant width, and the equalizer
support 11 has a large diameter (4), so that a delicate fasting operation can be performed.
Furthermore, since a jig for rotation is not required at all, a general user can easily perform the
rotation operation. The equalizer 13 can be freely removed because it is screwed to the equalizer
support 11 or the support 15 supporting the equalizer 13. In the present invention as described
above, when the distance 1 between the diaphragm 6 and the equalizer 13 is changed by the full
rotation operation of the equalizer support 11, the frequency characteristic of the speaker
changes as shown in FIG. Therefore, a general user can adjust the sound quality in accordance
with the installation place or the like or in accordance with his / her preference, and can provide
a speaker having the best sound quality for each user.
02-05-2019
2
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