How to debug Erhu? The debugging method of Erhu is as follows:

1. On the bow

First unscrew the screw, spread the inner and outer strings a little, the fishtail passes through the middle of the inner and outer strings, reset the fishtail bow rod, install the screw, and adjust the tightness according to the size of the hand.

2.rub the rosin

Each rubbing of rosin must be done to the tip and root of the bow. "First time rubbing", the first time a new bow is rubbed with rosin, it must be rubbed full once. If the new rosin is not easy to wipe, you can lightly scratch a few lines on the surface of the rosin. "Clean and evenly wipe", the bow rosin should be wiped frequently, usually once every 2-3 hours.

3. Installation and use of piano code and sound pad

The bridge is placed a little above the middle of the piano skin, the strings are inserted into the groove, make sure that the bridge is straight and not skewed, and the sound pad is half a centimeter away from the bridge. When the weather is dry, the sound pad is closer to the bridge. When the weather is wet, increase the bridge The distance of the sound pad.

4. the tone

The inner string is d1, the outer string is a1, you can tune it with a double-pipe reed tuner or an electronic tuner. Do not use too much force from low to high, you can also use a landline phone to get a1 to calibrate the outer string of the erhu (the landline phone's hands-free tone is 440HZ).

How to maintain the erhu? The maintenance method of erhu is as follows:

1. Daily maintenance of erhu:

Erhu should pay attention to avoid direct sunlight to avoid deformation and cracking of the wood. When using it in the north, you should avoid getting close to the heating equipment, put it back in the piano case in time after use, and zip up the piano case. In the wet season, one or two small bamboo charcoal bags can be placed in the piano box to absorb moisture and prevent mildew. In the dry season or in areas with dry climate, you can put a wet paper towel in the erhu box and replace it when the paper towel is free of moisture.

In order to better protect the piano skin, we can use the loose string method to reduce the pressure on the piano skin, or use a special top string code to relieve the pressure on the piano skin and prolong the service life. The sound of the newly produced erhu is relatively noisy. It takes several months of use and repeated playing in each position, so that the tension of the python skin gradually becomes uniform after being vibrated, and the sound will be round and soft. This is usually called the erhu. During the break-in period, the sound quality of the erhu that is often played will get better and better, which is also the best maintenance method.

2.the maintenance of python skin:

The python skin must be kept clean. It is forbidden to use sandpaper to polish the python skin. Every time you finish pulling the erhu, wipe off the rosin on the python skin with a cotton cloth. Do not apply any grease. You can loosen the strings every time you finish playing the erhu or use a professional violin guard to relieve the pressure on the python skin. Generally speaking, the python skin of a new piano is tighter without loosening the strings or guarding the violin code. Use a few After a month, you can use your thumb to press the python skin to test the tightness of the python skin, and you can also judge the tightness of the python skin by playing. Usually, the tone becomes thick and transparent, and it can be relieved when it is no longer as loud and bright as the new piano. Python skin pressure.

3. Maintenance of the piano body:

Avoid knocking and knocking the piano body, keep it clean, do not disassemble and assemble it without authorization, please do not place the erhu on the table, sofa, or bed after pulling the erhu. Do not wipe with chemical cleaners.

Erhu debugging notes:

1. Don't be impatient:

Don't be too hasty to debug the erhu. Erhu is a spiritual thing that combines heaven and earth. It has the essence of animals and plants and is very spiritual. Every small change will change the direction of the erhu's tone, so first of all, don't be impatient. Practicing erhu is an act of self-cultivation. We can enjoy every link with erhu, wipe the rosin to the front and back of the bow hair patiently and joyfully, and carefully choose the piano code and sound pad suitable for the erhu. Because of different personal preferences, the choice of bridge pads for debugging is different. One rule: if you like a thicker tone, it is recommended to use a slightly shorter bridge; if you like a brighter tone, it is recommended to use a slightly higher tone. A little piano code. In addition, the thickness of the sound pad material will affect the sound of the erhu. You can use more materials and try more until you find the feeling you like.

2. Calm down:

Many Hu friends have just bought a new erhu. They can't wait to install the piano pads in a few minutes, and even start to try to pull the rosin without even rubbing the bows. , as soon as I heard the pronunciation of the new erhu, I immediately frowned, feeling unacceptable, and even some Hu friends directly denied the erhu. Here I would like to share with you my experience of more than 20 years. Because the strings of the new erhu have never been vibrated and the tension has not been eliminated, it is impossible to play the best. This is the occasional appearance of the new erhu when trying to pull The reason for the noise, note: the noise is not the wolf sound, the noise can be removed by playing for about two hours, and the wolf sound is a pronunciation defect caused by the erhu production technology and cannot be removed. In addition, the python skin of the new qin did not vibrate, and presented a variety of jerky sounds, such as the baby's tone and the half-baby tone, that is, the sound is not broad enough and soft. By playing every day, you will be surprised to find that the erhu's timbre is always in the same tone every day. Change, every day is better and more moist than yesterday, if so, then I congratulate you, you have a baby. A good qin depends on fate. A really good qin is hard to come by. The timbre of the erhu varies widely, even the timbre of the same type of erhu is far from the same. Find the one you like and play it out (open tone: play it every day) if you like it The sound of the erhu must be calm. This is also the reason why many friends love their erhu. Whenever they talk about their baby, they are full of joy, because happiness cannot be bought.

3. The road to opening sound:

Generally speaking, if a new erhu has an impeccable tone just after getting it, it must not be a good thing. Such an erhu will probably start to lose its tone in less than a year, or it will start to go downhill, because the python skin must be covered. Get loose. Nowadays, many erhu manufacturers have loosened the skin of the new erhu in order to meet the needs of consumers, so that the customer can make a sound like the one that has been opened for a year, which is rich, transparent and mellow. There is a world of difference between a piano that is open for one year. Because the python skin is loose, after playing for a year, after the python skin becomes loose again, it will not be able to produce the proper tone. Everyone knows the consequences of the python skin loose. Texture, such a piano is equivalent to scrap and has no use value. And the new piano skin is tightly covered, and it can't play its best when you just get it, but as the player opens the tone, the result of opening the tone according to his own habits makes the python skin follow the player's playing habits. Vibration is generated, which is a kind of cooperation. Give the sound you want in the place where you want it. Think about how comfortable it is and how exciting it is. In this way, you can open your favorite tone from half a year to a year or so, and it will maintain good performance in the next ten to fifteen years or even twenty years. Of course, correct maintenance is also very important.

4. About the performance:

Whether performing in front of friends or on stage, there is one issue we need to pay attention to, which is the alignment of the inner and outer strings of the erhu. If the inner and outer strings are inaccurate, the performance will not be successful. You can first calibrate the outer strings with a blowpipe tuner, and then calibrate the inner strings with hearing. In order to get a very accurate perfect fifth, we strongly recommend that you install a trimmer on the erhu strings. Don't underestimate these two trimmers, they are a great helper on stage that even performers love! In addition, after calibration, it is recommended to press the strings hard and check the intonation again to ensure that the strings will not run off due to excessive force in actual performance.