网上有卖琴弦的，很便宜。自己试试。林可见内

https://www.mapesstrings.com/product/full-set-of-strings-up-to-60-in-length/?attribute_pa_upright-grand-or-square=square&attribute_pa_string-measurement-method=i-will-upload-a-measurements-file&attribute_pa_single-or-double-wound=single-wound

所有跟帖： 

• 钢琴弦自己换啊？厉害！ -紫色海洋- ♀ (0 bytes) () 11/21/2018 postreply 08:01:58

• 不难:) -老石- ♂ (0 bytes) () 11/21/2018 postreply 08:45:26

• 谢信息。。。 -小二哥李白- ♂ (41 bytes) () 11/21/2018 postreply 08:27:08

• 我现在都是自己调，什么时候音不准了就拧两下:) -老石- ♂ (0 bytes) () 11/21/2018 postreply 08:44:42

• 哈哈，勾出老石。。。l -小二哥李白- ♂ (53 bytes) () 11/21/2018 postreply 08:50:10