Piano maintenance


When confronted by tone problems, many piano technicians seem overly anxious to find a quick remedy by using voicing needles or lacquer. Both needling and lacquering are important elements in the over-all voicing picture; a skilled technician must know when …

Grand Regulation — A checklist


  1. Does regulating the jack height to the balancier affect the strength of the repetition spring?
  2. Does regulating the let-off affect the backcheck distance?
  3. Which of the following affect the amount of after-touch: key height, blow, jack alignment, jack height,