Action Regulation Touchup--
An excellent choice for pianos which need normal maitain and ajust the most important points throughout the piano's action to regain some lost performance- from the base of the key to the strings.Allows for up to 2-4 hours of work.
一个相对完整的钢琴调音维修过程基本包括：Tuning调音、Voicing整音、以及Regulation击弦机调整和键盘调整等环节，调音如果不配合其它的检修是无法满足钢琴演奏学习者的需求的……！
