It takes a period of time before the vibration of Piano may gradually become normal. This is because the vibration of Piano is not coordinated enough.
CHINESE TWO STRINGED INSTRUMENT SKIN
Newly bought erhu, whether it is snake skin or python skin, often have empty and sandy pronunciation, and the volume difference between the upper and lower ends is large. The python skin in this place has wide adaptability, thick and round pronunciation, and stable performance. The python skin is the most ideal in the area around the anus. The scales of the python skin are thick and flat, the color contrast is coordinated, the thickness is appropriate and elastic, it is not susceptible to insects, and the sound resonance is good. The sound quality is easily affected by factors such as climate and room temperature.
CHINESE TWO STRINGED INSTRUMENT FULL
Snake skin has fine scales, regular lines, and full of toughness, but the texture is thin. Generally python skin, snake skin is the lowest-level Erhu Piano. Piano tube front mouth python skin, called Piano, also called piano film, it is an important device for erhu sound.
Piano tube plays a role in expanding and rendering Strings vibration. The waist of the tube is slightly thin, and the rear mouth of the tube is open or the device has a sound window with various patterns of flower holes. In some areas, it is made into a circle or an octagon. Its shape is mainly hexagonal, with a length of 13 cm and a front mouth diameter (opposite side) of 8.8 cm. In the 1970s, low foaming (ABS) materials began to be used for molding. It is generally made of ebony, mahogany (red sandalwood is rare), but also made of rosewood or bamboo. The piano tube is the resonance tube of erhu.
A sound window (usually a carved wood window) is inlaid behind the Piano tube, which not only plays a decorative role on the Piano tube but also has certain advantages for pronunciation, sound transmission and sound filtering. The shapes are hexagonal, octagonal, circular, front octagonal and rear circular, etc., and the hexagonal shape is commonly used.
It is generally made of red sandalwood or mahogany. The texture and shape of the Piano tube have a direct effect on the volume and sound quality. The Piano tube is an important part of the erhu, which vibrates the resonance body of the Piano pronunciation after the string is rubbed by the push and pull motion of the bow.
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