Recent plate mode findings compared with tests on the free plates of Stradivarius violin
Carleen Maley Hutchins · The Journal of the Acoustical Society of America · 1981
Recent findings indicate that in the best violins we have been able to make so far eigenmodes 1, 2, and 5 in the unattached top violin plate lie in a harmonic series with mode 5 around 370 Hz and modes 2 and 5 in the back at matching frequencies. An early test on the disassembled plates of a fine concert Stradivarius violin corroborates these findings.