| 摘要 |
A guitar includes a tremolo device disposed on its body. The tremolo device engages and varies the tension of one or more guitar strings. There is a tremolo arm which is precisely attached to the tremolo device for movement thereof without unwanted play. In a preferred embodiment of the invention the rotation resistance (i.e., pre-load) between the tremolo arm and the base plate is variable and can be set and maintained even under severe use conditions.
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