HI Richard, 12Yrs is old for a piano with this caliber of artist, practicing anywhere from 4 to 8hrs a day. Due to key bushing wear, centre pin, and knuckle wear, there will be a limit to how tightly and consistently the instrument can be regulated and voiced. This has nothing to do with the fact that it is a Yamaha, this level of performance, by this fine an ARTIST will push any piano to the limit. Also this quality of player will always demand excellence, and keep the tech on his toes. At times we are suprised by the demands that true artist demand of us, but why? Well it's outside of our norm, and satisfying them can be intimidating, unless we take the time to really communicate, and learn the skills to satisfy them. If Andre finds his ideal piano, I wonder how many years before he is dissatisfied again? Key bushings worn ppp becomes impossible, hammers reshaped and centre pins worn, touch weight drops below acceptable levels. Knuckles flatten out, let off becomes indeterminate. Strings become work hardened and sustain time goes down. And so the list goes on. For this level of performer an action rebuild would be required every 5yrs in a perfect world. Unfortunately this rarely happens. He has been a Steinway, Baldwin and Yamaha artist, I think he is running out of piano companies to work with. Just some observations IMHO. Roger. Roger Jolly Baldwin Yamaha Piano Centre Saskatoon and Regina Saskatchewan, Canada. 306-665-0213 Fax 652-0505
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