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JPS60136592

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DESCRIPTION JPS60136592
[0001]
Brief description of the drawings
[0002]
FIG. 1 is a circuit diagram of an essential part of an embodiment of the speaker according to the
present invention, FIG. 2 is a frequency characteristic diagram of motional voltage and detected
motional voltage, and FIG. It is a sound pressure characteristic figure and an impedance
characteristic figure which can be obtained. 1 ... speaker main body, 2a, 2b ... signal input
terminal, L ... inductance component of voice coil, REC ... resistance component of voice coil, R1R3 ... non-induction resistance, h · · ·・ Inductance component correction coil of voice coil, VR:
Variable resistance, a ′ ′-d: connection point terminal.
07-05-2019
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