
Acoustic physics
Eighteen tons of string tension held in balanced mechanical equilibrium.
Pianos are living acoustic assemblies of seasoned spruce, felt, and iron. Routine care preserves the functionality of the instrument and protects it for generations to come.
Bench metrics
Calibrated mechanical tolerances
A440
standard concert pitch
10.0 mm
uniform key dip tolerance
18 tons
total string tension balanced
88 keys
individually weighted touch
