What does the pin-block ply exactly mean?

[timmy153]

Hi, I was wondering what exactly does 7 ply pin-block mean for the Steinway B model. I tried to look for a clear definition to help me understand but it was not much help. Basically what I need to know is if the higher the ply, the better or vice-versa because, for the Steinway piano, which is regarded as one of the best makes, the pin-block is 7 ply while for other manufacturers it is higher, sometimes even going up to 41 ply.
Thanks in advance,
Timmy

[Barrie Heaton]

7 ply is more expensive and holds the tuning pin better as the pin is in more contact with end grain wood, because of this it also turns more smoothly which make tuning more stable. 41 ply the pin is in just as much contact with glue than wood so the pins tend to jump more making tuning a tad harder




Barrie,

[timmy153]

Thanks for your reply. Much appreciated!