| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which an interesting game rich in power and a feeling of real life by outputting sufficiently powerful low-register sounds from a speaker unit. SOLUTION: The game machine is provided with a storage box 30 provided in an inner frame 16 openably assembled onto an outer frame 12 and storing the speaker unit 28 with the front side exposed, a rear wall portion 31 forming a part of the storage box 30 with a first connecting opening 32 communicating with the air chamber 30a of the storage box 30 opened in a state of opening rearward, a plate portion 14 located at the lower part on the front side of the outer frame 12 with an opening portion 14a opening forward, a projecting portion 35 projecting upward from the plate portion 14 with a second connecting opening 36 opening forward, and a duct portion 34 defined behind the plate portion 14 and communicatively connecting the opening portion 14a and the projecting portion 36. When the inner frame 16 is closed to the outside frame 12, the rear wall portion 31 pressure contacts the projecting portion 35, hermetically communicatively connecting the first connecting opening 32 and communicatively connect the second connecting opening 36. COPYRIGHT: (C)2007,JPO&INPIT
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