I disagree that if you have a nine foot piano then you should have
the suction levels at 120 inch of water lift. I also disagree, having
worked with concert artist for twenty plus years, that they play a nine
foot piano so hard that they all break strings. It depends more on the
hall or venue where the piano is being used. I have replaced more
strings on pianos in churches than anywhere else. I have yet to
replace a string on the symphony's nine foot piano.
If I had or were lucky enough to have a nine foot piano in my living
room, I would want it to play at a reasonable volume level and not run
me into another room to listen. By the way, I would love a nine foot
Yamaha and would gladly move the furniture out of the living room to
make a space. (Of course..... then I would have to work a deal with
[ Crashing hammer blows occur when the pianist attempts to be heard
[ over the volume of a 110-piece orchestra without amplification.
[ Most pianists don't face this situation (and so they don't develop
[ ailments of the hands and wrists). The evidence exists in Wayne
[ Stahnke's Boesendorfer recordings of pianists such as Earl Wild.
[ The same hammer velocity is reproduced on playback, too.
[ In the home, however, anyone who values his hearing will be
[ satisfied with much less volume! ;-) -- Robbie