| 摘要 |
PURPOSE: A resonance box for a guitar is provided to minimize bad effect applied to sound quality and sound volume by improving the combining structure of a bridge supporter and a reinforcement member, to enhance sound volume and sound quality with multiple resonance and to prevent the loss of sound waves through a rear plate. CONSTITUTION: A reinforcement member(10) is inserted into the rear side of a sound plate(4) and a bridge supporter(9) is crossly combined with the reinforcement member so that the bending intensity of the sound plate is reinforced and sound waves are efficiently transmitted to the sound plate from a resonance box. Further, the echo of the sound plate is amplified and filtered by the protruded reinforcement member preventing the diffused reflection of sound waves. The sound plate, a rear plate and side plates are mutually and indirectly combined to be in dual or triple resonance structure. Thus, sound volume is amplified and prevented from absorbing through the rear plate.
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