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grand piano
musical instrument
Learn about this topic in these articles:
historical development and use
- In keyboard instrument: The English action
…and Americus Backers, devised for grand pianos an adaptation of Zumpe’s action that included an escapement. This important development made London a major centre of piano building and created a characteristic English piano of fuller and louder sound than the Viennese piano but with a heavier, deeper touch and a…
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string tension
- In sound: Mersenne’s laws
In a grand piano, the tension in each string is over 100 pounds, creating a total force on the frame of between 40,000 and 60,000 pounds. A large variation in tension between the lower and the higher strings could lead to warping of the piano frame, so…
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