Friday, May 15, 2009

Strings and Things!


Although there are only 88 keys, a piano has over 200 strings--one per note in the low bass, two per note in the upper bass, and three per note in the treble.
Tension averages approximately 160 lbs. per string.

All together, the strings are stretched to a tension of 18 to 20 tons (close to 30 tons in a concert grand).

The strings gradually increase in thickness and length from treble to bass, and bass strings are wrapped with copper to make them produce a lower pitch.

Pianos range in weight from about 300 lbs, for a spinet to almost 1000 lbs. for a concert grand.

There are 8000-10,000 moving parts in a piano.

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