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Brief description of the drawings
1 ...... preamplifier width unit, 2 ...... filter circuit, 3 ...... bass output increased width unit, 4 ...... rear
speakers, 5 ... ... sound field expansion circuit, 6 ...... mid-high range output increased width unit, 7
...... front speaker. Correction Aki 57. 4.19 Correct the claims of the utility model registration
request and the brief description of the drawing as follows. O The signal output of the audio
amplifier registered in the utility model registration is separated through a filter circuit into a
first signal composed of middle high frequency components and a second signal composed of
low frequency components, and the first signal is sounded A stereo in a vehicle compartment of a
car, wherein a field expansion circuit and an output amplifier circuit are supplied to a front
speaker in a vehicle compartment, and the second signal is supplied to a rear speaker in the
vehicle compartment through an output amplifier. Effect Magnifier. BRIEF DESCRIPTION OF THE
DRAWINGS FIG. 1 is a block diagram showing the configuration of the main part of the stereo
effect enlarging apparatus of the present invention. 1 ··· Preamplifier, 2 · · · · · · · · · · · · · · · · · · · · · · ·
· · · · ·. sound field expansion circuit, 6 ...... intermediate and high frequency power amplifier, 7 ......
front speakers.
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