Piano stringing scales

[Cy Shuster]

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Why is it that louder playing results in "overtones higher than =
acceptable" in one case, but "gives colour" in another case? =20

What's the mechanism here?  Does he imply that louder notes have more =
inharmonicity, or is it just that you can't hear as many partials on =
softer notes?

--Cy Shuster--
Rochester, MN
  ----- Original Message -----=20
  From: Calin Tantareanu=20
  To: pianotech@ptg.org=20
  Sent: Wednesday, January 14, 2004 12:36 PM
  Subject: Re: Piano stringing scales



  2. Scales with inharmonicity values higher then average or close to =
the upper "limit"
  With increasing dynamics the adding up of overtones gives the sound =
colour, without getting unpleasant.
  Examples: Grotrian-Steinweg, Yamaha, Steinway

  3. Inharmonicity is at the "limit" or above
  At normal playing volume, the tonal character makes an outstanding =
impression. But with increasing dynamics, the stretching of the =
overtones gets higher than acceptable to the ear and becomes distorted. =
This happens especially when the string termination isn't perfect. =
Because one needs to voice the piano mellow to avoid distortion, =
powerful fortissimos aren't possible.
  Examples: Fenner states that such a scale can be found, nowadays, only =
in Bechstein pianos.

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