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Monthly Archives: September 2012
Yamaha E116N Checking Distance Regulation
It’s surprising how poorly (factory) regulated Yamaha uprights are, compared to the Yamaha grands. All Yamaha uprights in this institution required regulation of the hammer checking distance. Doing this significantly improved the repetition. The two hammers to the left have … Continue reading
Yamaha & Kawai Light Hammer Re-facing
I think of this light re-facing as an institutional re-facing, because the need to preserve as much felt as possible means that the actual hammer nose is barely re-faced: this is only possible where hammer centres are stable and where … Continue reading
Steinway O Grand New Hammers & Shanks
New hammers & shanks helped bring this old Steinway model O into shape. Despite the fuzzy picture, you can just about see the slight strike curve in the treble: Also, notice the just-about-visible new lyre stays … Continue reading
Sohmer Strike Curve
As so often (though not always), a curve in the treble hammer strike line was required. It was fun doing it on these Abel Premium Grade recoverings because, once the strike was right, the sound was a considerable improvement on … Continue reading
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Sohmer Grand Key Preparation
Over 30 of this Sohmer’s ivories were chipped or cracked at the front edge, so to prevent further damage, orthodontic techniques were once more called into practice:
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Sohmer Grand String Levelling
Levelling the strings was very straighforward on this Sohmer, which speaks well of the quality of its agraffes:
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Sohmer String Rubbing Errors
For the string rubbing, first the bass dampers are removed, so that the packing paper can be laid over the strings: Then the string gauges are measured and transferred to the rubbing – but, as you can … Continue reading
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