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Tone
(Voicing):
Probably the most neglected aspect of piano
service is "voicing," that is, controlling the quality of the
tone the instrument projects. It's easy to get the concepts of
voicing and tuning confused. Piano tuning is adjusting the tension
of the strings to set them at the proper pitch. Voicing is working
on the texture and density of the hammer felt and on the hammers'
fit to the strings to create the most beautiful sound. I get
some calls every year from clients who are not satisfied with
someone's piano tuning. When I hear the pianos it is sometimes
clear that the piano tuning is ok, but the voicingof the piano
has been neglected. The
clients say their piano sounds tinny, uneven, thin, or even squidgy!
I can help them by voicing the instrument.
Piano sound is half tuning and half voicing. Many of my clients
call and ask to make an appointment for "piano tuning and voicing" because
they have learned how vital voicing is to their needs. The
most important part
of voicing is communicating with the players. I listen to the
pianists play, watch their techniques and discuss the tone
before making any decisions.
Some players prefer a bright singing tone, other a subtle,
warm sound. Most good pianos are capable of either.
In practice, I start voicing even before I
begin tuning the piano. During the course of a voicing job I
level the strings with a small bubble gauge, tune, deep needle
the shoulders of the hammers, shallow needle the strike points,
and file the hammers to fit the strings. The final result is
even, clear tone that suits your musical taste, with or without
the una corda pedal in use.
Hardening hammers:
Lacquer or shellac can be used to harden hammers that are too soft. Most of today's hammers are too hard so it is seldom necessary to add such hardeners. Steinway hammers are the exception. The addition of lacquer is factory practice. I don't like to argue with people who say the use of lacquer is undesirable. Steinway pianos can sound just fine.
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