Dale Erwin wrote: > That is a really thick panel. 11 mm is well over 400. The only panels > I've witnessed this thick have been in older Masons BB with .400 eastern > spruce boards. I've seen some Yamahas that were in the 11mm range. > I agree with Davids choice of thickness for Sitka boards > in Steinways. Even in a D... 9 ish mm in the middle regions is plenty. I use 8mm throughout, even in Ds. > By the way if you see enough Steinway soundboards come out you will > soon learn that they had no hard and fast spec. on thickness Yes, the board thicknesses appear to be every bit as random as plate and action stack placement, and string height. Ron N
This PTG archive page provided courtesy of Moy Piano Service, LLC