Austrian spruce wood.
3 series of 3 with different finishes (Bees wax / Tung oil / White oil finish)
30 x 30 cm
These pieces of wood are models for the soundboards in grand pianos. They are made from slow-growing spruce wood found around the treeline of the Austrian Alps, the same kind used to make the backs of Stradivarius violins (although from a different section of the tree).
Each board is shaped with a graduated thickness. These gradations alter the acoustic properties inside each piano, which in turn modify the spaces around the strings and thus the resonance of each piano.