How to buy erhu?

1. material: the bow should be made of natural bamboo or precious materials. But no matter what material, the quality of the material is very important. High-quality material, when you gently pick it up, you can immediately feel its elasticity, toughness and a "heavy" feeling. Generally speaking, the quality of the bow rod depends on whether the material is uniform and whether the bow rod is round. Bow poles made of the same material are heavier in diameter and length.

2. Length: the standard erhu bow is 83cm long, and the diameter of the bow rod varies from 0.65 to 0.70, 0.75 and 0.80cm. ..

3. Bending degree of the grip: Choose the appropriate piano bending degree at the grip of the bow. Proper bending of the bow bar at the bow handle can make the player's wrist more comfortable and natural, realize agility, dexterity and labor-saving in changing strings, and obtain the maximum volume and good sound quality with the minimum movement range. Generally speaking, the bending of the grip should not be too large.

4. Ponytail: Although nylon yarn, inferior ponytail and high-quality black-and-white ponytail are all coated with rosin, the sound made by inferior ponytail is noisy and messy, while the sound made by high-quality white ponytail is sweet and moist. This is because the hair scales on the surface of high-quality white ponytail are even and sharp, which is beneficial to the friction of strings.