Resonance

[Stéphane Collin]

Hi Philippe.

One quick test would be to switch the Ax hammer with it's neighbour, the Bbx hammer, see what happens.  This way you will see if it is the hammer or not.  If not, we have one more mystery at hand.

Best regards.

Stéphane Collin.

  What I observed is that A3 or A4 was brighter than the other notes, which I
  first suspected as an need for voicing the hammer, but then i observed
  that the A's above were brighter too... So, as I felt hard to believe the Idea 
  of an illness specific to A strings, I wondered if the problem really from the 
  hammers, or could instead come from a specific resonance of the piano 
  itself on that frequency and the harmonics...

  Your opinions ? possible ? not possible ? should I suspect the previous 
  work ?

  Philippe
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