Piano plate – the heaviest part of the piano!

Piano plate – the heaviest part of the piano!

This metal frame inside the piano is known as the "plate." Many people erroneously refer to it as the soundboard. The soundboard is in fact just that - a thin board behind the plate that resonates with the strings and amplifies the sound. The plate is purely structural. And sorry, even though it's often a nice shiny gold color, the plate is not made of gold! Or even brass, bronze or copper. Other than a few rare, experimental exceptions, all piano plates are made out of cast iron. And that's why pianos are so heavy. ...
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