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JPS5782782

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DESCRIPTION JPS5782782
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a circuit diagram of the present invention, FIG.
2 is a perspective view of an embodiment of the present invention, and FIG. 3 is a frequencyvoltage characteristic diagram. 1はMFBコイル、2はウーハ−スピーカー、5はセラミックツ
ウイタ−0
DETAILED DESCRIPTION OF THE INVENTION The present invention is a speaker device for
driving a high impedance ceramic insulator by a voltage generated in an nFB coil provided in a
woofer. A 3-degree conventional multi-way speaker system The input to the ceramic filter at the
hole was separated from the speaker network and was seen by the caro. In the case of the
speaker device which does not devise the woofer-speaker for MFB in -tJ-r, the input to the
ceramic knower is separated from the speaker network-it is fz and the induction electrification of
the coil for MFB is used. In the circuit shown in FIG. 1, the circuit shown in FIG. 1 is 24Al2 and
the induced voltage generated in the woofer-speaker 20MFB coil 1 is no-cutoff norter 3 Through
Kuahas beaker 2 Ma District working amplifier 4 no. On the other hand, to the feed performance
Risa, from the mFB-r "1",!,. It is the speaker apparatus which added the induced voltage which
generate | occur | produced also to the input terminal of ceramic torqueer-5. As shown in FIG. 3,
when the mFB coil 1 is wound on the voice coil winding 6, the frequency characteristic of the
generated voltage of the JtFB coil 1 is as shown in FIG. In the curve of FIG. 3, the lower range a is
larger than the electromotive force due to the speed of the vibration system, the generated
voltage is mostly fed back to the amplifier 4, and the medium voltage range increases the
induced voltage from the voice coil 6, Among them, the generated voltage of about 5 KHz or
more is used for driving ceramic ceramic. In this case, the voice coil 6 has a ratio of 0.18φ, 60
turns, and the coil 1 for JdFB has a ratio of 0.08φ, 120 tans, the induced voltage of the MFB coil
1 is affected, and Wohers Because it becomes higher than the heater input terminal, if this is
connected with ceramic torquer 8 if it is a drive town WQ with a voltage better than the woofer
speaker input voltage, raise the level of the ceramic torqueer. It is a useful device that can be
09-05-2019
1
09-05-2019
2
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