[pianotech] Seiler 53" (135 cm) Upright 1997

Roger Gable roger at gablepiano.com
Fri Oct 22 09:44:40 MDT 2010


Tom,
Another trick with the damper timing is to adjust the rate at which the damper moves. This can be done by bending the top of the spoon back so that the spoon is lifting the damper lever at a slower rate.
Roger Gable
  ----- Original Message ----- 
  From: Thomas Cole 
  To: Pianotech 
  Sent: Friday, October 22, 2010 12:32 AM
  Subject: [pianotech] Seiler 53" (135 cm) Upright 1997


  I tuned a wonderful-sounding but poorly-regulated Seiler today. The owner and 8-year-old daughter both report the touch is too heavy. When I tried the piano, it was hard to play pp passages without notes dropping out here and there and, yes, it felt heavy.

  There is a card on one side showing the regulation specs. Notes 1 - 34 have 56g (DW) and 35 - 88 have 54g. I found that most of the keys had four leads behind the balance rail (half leads, two on each side). The few keys I checked, with the wippen raised, the lead weights seemed to be balancing the front weight of each key (see two photos below showing both sides of C4).

  All of the dampers are timed very early (dampers move after a couple of mm hammer travel).

  My question is, what would be the most technicianly way of reducing touchweight? Anything I need to know about this particular piano?
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