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Yamaha CP88 and Yamaha CP73 are professional stage pianos produced by Yamaha. [1] These instruments are identical except for keyboard action and size. [ 2 ] The instruments are designed to be played at live concerts on the stage, and are also suitable for recording studios due to their versatility of sound. [ 1 ]
Tuning wrench sockets are often attached snugly to the handle with fine-gauge machine-screw threads, to provide a very firm, immobile joint; this is in contrast to the square snap-on joints found in sockets used for machinery. Unlike most socket wrenches, tuning wrenches usually have a comfortable wood or nylon handle.
Over time, the performance of a piano action tends to decline, due to the compression of felt, warping of wood, and other types of wear. A skilled technician can restore it to optimal precision, in a process called regulation, which involves adjustments ranging from turning a small screw to sanding down a wood surface. Many new pianos are not ...
A rail repair dutchman is typically a 4–6-inch (100–150 mm) long piece of rail that is cut in advance for the purpose and carried by a section crew. If the gang finds a rail with a chipped or broken end, they remove the connector plates ( fishplates ), cut out the damaged section, replace it with the dutchman, and bolt the connectors back ...
Young Chang was founded in 1956 as a distributor of Yamaha pianos for Korea and other parts of Asia. [1]: E–8 The company was founded by three brothers, Jai-Young Kim, Jai-Chang Kim and Jai-Sup Kim, as South Korea emerged as a major economy and producer of high quality goods.
A prepared piano is a piano that has had its sounds temporarily altered by placing bolts, screws, mutes, rubber erasers, and/or other objects on or between the strings. Its invention is usually traced to John Cage 's dance music for Bacchanale (1940), created for a performance in a Seattle venue that lacked sufficient space for a percussion ...
PSR-OR700 (2007, Oriental version of Yamaha PSR-S700) PSR-A2000 (2012, Oriental model and black version of Yamaha PSR S710. And the first A series whose Pitch Band and Modulation uses a Joystick) PSR-A3000 (2016, Oriental version based on Yamaha PSR-S770 and first A Series to have multiple colours in the board)
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