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JPS5899916

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DESCRIPTION JPS5899916
[0001]
Brief description of the drawings
[0002]
FIG. 1 is a circuit diagram showing an embodiment of a portable audio device according to the
present invention, and FIG. 2 is a frequency characteristic diagram of the circuit of FIG.
Explanation of symbols of main parts, 1 ··· Pre-amplifier, 2 ·· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
························································································
· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · メ イ ン Main amplifier 4; ·································· Built-in speaker.
Book / concave
07-05-2019
1
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