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Classification, purchase and maintenance of clarinet!

Release time:
2019/03/21 17:00
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There are many varieties of clarinets, which are classified into three categories: treble, midrange and bass, due to different tuning and range. Each category is divided into a total of 11 kinds. They have their own characteristics. The middle and bass clarinets are curved and the rest are straight tubular.
 
Commonly used are the following:
 
1.bB Clarinet: It is the orthodox of the clarinet, its sound is perfect, used for solo, ensemble, as the main melody solo in the symphony or orchestra. If you buy one, you can buy a bB clarinet.
 
2.A Clarinet: The sound is softer, half a tone lower than the bB clarinet, and the fingering of the music is difficult, and it is used interchangeably with the B clarinet.
 
3.bE small clarinet: 4 degrees higher than bB, commonly used in military bands, but the orchestra is rarely used.
 
4. The specifications of the clarinet are divided by the number of keys: currently used are 17, 19, 21, 23 keys.
 
The body of the advanced clarinet is made of ebony and is more expensive; the second is made of high quality mahogany. The popular clarinet is pressed with bakelite or ABS plastic. It is also useful for metal pipes, which are rare in China.
 
Quality check at the time of purchase:
 
1. The pipe body is required to be smooth and black (except for the metal pipe body), without cracks, bends, defects and the like. The roundness inside and outside the tube body should be accurate, and the joints of the joints should not be too tight or too loose, and the joints should be tight and airtight.
 
2. The copper ring of each part of the pipe body should be tight, there should be no looseness, and the plating should be bright.
 
3. The inner cavity of the tube body should be very smooth, which is very important for pronunciation. It can be seen from the light, and there should be no rough, dirt or cracking.
 
4. The surface of each key is preferably silver plated, and the plating should be smooth. The sound key spring should not be too hard or too soft, the elastic force is uniform, the reaction should be sensitive, there is no mechanical impact sound when the button is pressed, and the interlocking bars should not be loose or shake.
 
5. Each sound hole cover should be aligned with the sound hole, the height is consistent, and there should be no air leakage after the cover. The edge of the sound hole cover should be smooth, and the sound hole cover should be elastic and free from damage. The gas density check method is to close all the sound hole covers, plug the bell mouth with a rubber ball, and suck a cigarette into the mouthpiece to see if there is any air leakage at the edge of each sound hole cover.
 
6. The mouthpiece and the reed are the key components of the pronunciation, and the reed is required to be properly matched with the mouthpiece, the curvature is accurate, and the root of the reed is closely matched with the reed hoop. The reed has no dark cracks and gradually becomes transparent from the roots.
 
7. Repeat the play to check whether the pitch and tone are flexible, whether it is fast, whether there is noise or not.
 
Clarinet maintenance and maintenance:
 
1. Before use, connect them one by one. First, apply some Vaseline at the joint to increase lubrication. When the upper and lower main pipes are docked, be careful not to touch each other between the two keys to prevent twisting and deformation. The sound tube holes of the main body after docking should be arranged in a straight line.
 
2. After each blow, the tube body will be disassembled. The water stain in the tube can be dried by a special cylindrical velvet brush or flannel to prevent the wood from being moldy and stored in the box. In a cold and very dry place, the outside of the box should be covered with a cotton jacket to prevent cracking.
 
3. Always apply some oil to the spring and the movable shaft. Vaseline (the oil can also be used) to keep it lubricated to prevent rust.
 
4. Wash your hands and mouth before playing, keep the reeds clean, and prevent food debris from sticking to the reeds or blowing into the tubes.
 
5. The silver-plated key is black, alcohol and tooth powder can be used, and the enamel is polished on the flannel.
 
Six. The reeds are more delicate and important for pronunciation. When you play, pay attention to the teeth and do not hurt the reeds. When you are playing, you should use a cover to prevent the reeds from being damaged. ——Excerpt from the Wind Instruments Handbook
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