[pianotech] Hammer strike line. Was-----Yamaha Hammer Suggestion

[Ron Nossaman]

David Ilvedson wrote:
> Just curious...Ron, at one time you installedl CC soundboards?  

I never have. They've all been rib crowned, though they used 
to be high panel compression hybrids. I'm a whole lot happier 
with the results with RC&S.
Ron N