The accordion is a more popular Western keyboard reed instrument. Its selection should pay attention to the following aspects.

  (1) pitch: the keyboard part of the hand can be octave, five degrees, three degrees for comparison, doubles part of the chord can listen to whether the coordination of soft. Pronunciation requirements loud, fast, no noise, strong wind is not dumb, breeze sound. Please help experienced people to help selection.

  (2) leak check: the gas density of the accordion is related to its pronunciation. Check whether the leak method is in the case of the sound hole closed, so that the piano box naturally fall, drop 120 mm time 80 times more than the large accordion should be 27 seconds, 80 times the Secretary should be more than 23 seconds, Can be considered not leak.

  (3) Tensile inspection: check the piano box is stretched freely, whether the effort of the method can be hand-piano box to feel, but also the accordion back to open a button, so that the bellows naturally open a fan, to no longer When the amount of soft feet with its arc length, 350 mm or more as well, when playing can be relaxed and natural.

  (4) appearance check: check the key, the button is smooth, neat, press whether it is easy and flexible, elasticity is uniform, the reaction is sensitive. The bellows overlaps the requirements of a natural, neat and seamless. In addition, the accordion shell to be fine and beautiful, the package celluloid thickness uniform, no tilt, bonding and other phenomena. Appearance without scratches, smooth, smooth, harmonious color and uniform.