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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing an example of a
conventional adhesion state between a cone peripheral edge and an edge. FIG. 2 is a crosssectional view showing the adhesion between the peripheral edge of the cone and the edge
according to the embodiment of the present invention. 煤 A4 ..... voice coil. 7] -83.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a loudspeaker
with a peripheral cone attached to an edge cone. The edge supports the T7 at its periphery on
the frame, and it should also play a role in helping the cone to vibrate faithfully in response to
the voice coil's vibration. Well, low-resonance can be taken low, but the valleys of mid-tones are
raw, and the output sound pressure level is also low. Therefore, there is also a limit to the width
of the process, and the possible amplitude is also limited, and the cost is not proportional to the
applied force, ie, the non-linear vibration of the edge 2 The non-linear vibration of the edge
described above and the m1ll vibration of the cone overlap the edge of the joint between the
edge of the cone and the edge of the cone, as shown by the dotted line in FIG. However, the
transient characteristics also deteriorated. In the present invention, bending occurs due to nonlinear vibration in the vicinity where the edge of the cone is adhered to the edge of the cone, and
the speaker has the adhesion of the cone and the edge for the purpose of setting. Next, the%
example of the present invention will be described for Japanese species j. In the second town, the
radius of curvature r′′t ′ ′ t ′ which is smaller than the radius of curvature 只 of the cross
section of the cone 1 is bent and turned forward (upward in the figure) and the edge is directed
to the side It is formed by bonding the inner edge of an edge having one or more of crosssectional irregularities to the portion 3. When the condition in use was observed, bending o
decrease was observed near the bonding portion between the peripheral edge of the cone and
the inner edge of the edge, and a reproduced sound without distortion was obtained. R-18811
Imr-11! With adhesion of cone and edge according to the embodiment of the invention shown in
FIG. Loud speaker for 3 pages 20o 菫 and 11th L! ! Output sound pressure period # number
characteristic, distortion characteristic about the bass speaker of Zoo Z with the adhesion of the
conventional cone and the edge as IK shows. When the transient characteristics are compared in
the side room, there is less unevenness in the sound pressure frequency special condition of the
company when the present invention is carried out between IKhm to 3 Khz which should be
emphasized most, and the fIh2 harmonic distortion is also small-k < It was observed that the fall
of transient characteristics was altered. In addition, it was judged that the edge did not vibrate in
the opposite phase.
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