[pianotech] What is bloom,

[Alan Forsyth]

You guys are making all this sound so complicated to the point of confusion. 

I'm sure it is something very simple; like the sheer physical act of releasing the pressure of all that weight of the dampers against the strings and thus the soundboard and allowing the soundboard to do it's job properly. In all probability it only occurs on a piano with very little downbearing pressure to begin with.

As for the swell effect itself, I have experienced it in a different context but can only describe it as what I would call a "secondary wave" if that makes sense to anybody.

AF
(feeling blooming swell!)
  ----- Original Message ----- 
  From: David Love 
  To: pianotech at ptg.org 
  Sent: Saturday, March 19, 2011 5:25 PM
  Subject: Re: [pianotech] What is bloom,
    It's quite possible that there is some
  threshold that needs to be crossed in order for that relatively small input
  of energy in the JD effect to become noticeable.  

  I still lean toward the idea of the amount potential energy in the
  soundboard system created by spring compression and some finely tuned (so to
  speak) balance between that and the freedom with which the system can be set
  in motion.  When those two are optimized you get the most bang for your
  buck. 

  Hopefully someone can give me a more accurate physical description of what
  it is I'm trying to describe.  


  David Love



  As I said earlier, I wonder how many of the people on list have ever 
  heard the swell effect at all. It's quite different from everything 
  we're used to.

  Ron N


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