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Yamaha DGX-660B Digital Piano 88 key With New Modified Layout By GREGORY SHIR

Estimated price for orientation: 4 399 $

Category: Digital Pianos
Class:











Description
Condition: New other (see details): A new, unused item with absolutely no signs of wear. The item may be missing the original packaging, or in the original packaging but not sealed. The item may be a factory second or a new, unused item with defects. See the seller’s listing for full details and description of any imperfections. See all condition definitions- opens in a new window or tab ... Read moreabout the condition Brand: Yamaha
Model: Yamaha DGX-660B


          Attention! Piano keyboards have a manufacture defect                       discovered by Gregory Shir
This is the first keyboard DGX-660B for sale modified and signed by Gregory Shir ( dated "11-12-2016"). 
                          
The keyboard has been modified for ease of playing complicated riffs involving black keys.
The ergonomic design of the black keys helps the pianist position their hands and back correctly to help prevent Carpal Tunnel Syndrome and Back Problem, thus allowing the pianist to practice easier wits less discomfort.
 The U.S. patented changes ( # 9064478) shown in the pictures are.

* Different shape of the black keys (More sharply Finished Ends).
* Different position of the black keys.
* Different cuts of the white keys ( C, D & E)
* Easier to play rapid passages                          
          For more info. web: mozartbestpiano.com