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How Do They Make Cast Iron Frames in Pianos?

Discussion in 'The Piano' started by gbmc, Oct 1, 2016.

  1. gbmc

    gbmc New Member

    Jun 17, 2014
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    Every piano has one. It is the backbone to structural integrity. It’s also what gives a piano most of its weight. What is it? Commonly called the frame, harp or plate, this iron mass in the piano withstands the 19+ tons of string tension. Read this month's blog on how they cast iron frames for pianos.

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