目前改革的双千斤二胡,既扩大了音域,也丰富了演奏技巧。在不改变音色、演奏方法和乐器形体的前提下,确实深受专业和业余文艺工作者欢迎。这里,向大家介绍一种我们实际应用中的简易双千斤,其制作简单,玲瓏小巧,应用方便。一把普通的二胡只要装上这种简易双千斤(无须破损琴杆),同样可以达到扩大音域、丰富技巧的目的。简易双千斤是由金属片、角质(木质或有机玻璃均可)千斤顶构成。用兩个螺絲釘把它固定在琴杆原千斤的位置上,然后把原千斤上移至低四度的位置。演奏时,只须用左手大姆指 The current reform of the double kilogram erhu, both expanded range, but also enriched the playing skills. Under the premise of not changing the sound, playing method and instrument shape, it is really welcomed by professional and amateur literary workers. Here, to introduce a simple double jack in our practical application, its production is simple, exquisite and compact, easy to use. An ordinary erhu just installed this simple double kilogram (without breaking piano), the same can be achieved to expand the range, the purpose of enriching skills. Simple double kilogram is made of sheet metal, horny (wood or plexiglass can be) jack. Use two screws to fix it to the original position of the rod, then lift the original to the lower four degrees. When playing, just use your left thumb