| 摘要 |
PROBLEM TO BE SOLVED: To surely provide a further performance effect matched with a performance of a game machine side. SOLUTION: When a signal for generating a performance sound effect from a transmission unit 57, which is connected to a signal line of a sub control board and either of speakers in the side of a slot machine 1, is transmitted to the outside, a bass reflex sound effect according to the performance sound effect is emitted from a bass reflex unit 65A provided in the side of a chair 60. When the bass reflex unit 65a is provided in the side of the chair 60, especially, a hollow partitioned by a shielding plate of the leg part of the chair 60 is used as a sealed space for amplifying the back-pressure of the speaker. COPYRIGHT: (C)2008,JPO&INPIT
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