This piano has been tuned many times and as a result the tuning pins have formed a thread in the wood, resulting in them being looser than when new. by tapping the pins slightly further in the wood is then roughened, destroying the grove and thereby making them tighter. WARNING: always tap gently as strong blows can crack the metal frame. If restringing the piano ALWAYS put a jack underneath the wrest-plank first.
Another usual cause of loose tuning pins is the wrest-plank (tuning block) drying out. This is very common when the humidity is low or the temperature high for long periods.
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Негізгі бет Assessment of Grotrian Steinweg grand piano 223cm long + setting the tuning pins to tighten them:
Пікірлер: 14