Piano action refers to the mechanical system inside a piano that connects the keys to the hammers and strings. When a key is pressed, the action mechanism causes a corresponding hammer to strike the strings, producing sound. The action system includes various components such as levers, springs, and dampers that work together to control the speed, force, and precision of the hammer strikes. This system is crucial for the piano's responsiveness and ability to produce a range of dynamics and tones. The design and condition of the piano action affect the instrument’s overall performance and playability.

英語での「piano action」の定義と意味

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