| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which achieves higher qualities of performance sounds. SOLUTION: A speaker unit 60 is mounted on the rear of a frieze board 50, which is mounted on an outer frame 11. The frieze board 50 fixed by being mounted on the outer frame 11 reduces effect thereon by vibration or the like to prevent drop in sound qualities. Moreover, a wider space of the rear of the frieze board 50 allows the mounting of the speaker unit with a larger shape. This facilitates the generation of voices with low tones thereby improving the sound qualities.
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