A question about hammer construction

William R. Monroe pianotech at a440piano.net
Fri Mar 16 23:15:10 MST 2007


Message: Is that colored section actually a second layer? (We could not tell by feeling it.)
  : Is that colored section, or second layer, actually functionally different than the rest of the hammer? 
  : In other words, does it actually do more than merely act as an identifier for the characteristics of that hammer?
  -- Geoff Sykes
  -- Assoc. Los Angeles
SNIP
Geoff,

In many (most) cases, the colored layer is indeed a separate layer, the underfelt.  In some cases, it is simply dyed to make it look like it is.

When it is a separate layer, it is still, in most cases just a dyed felt, with no stiffening agent added.  In some cases (S&S) a stiffening agent is still added, thus making the hammer underfelt much less resilient.  Of course, now the entire S&S hammer is soaked in lacquer as well, but that's another topic.

The presence of two colors does NOT indicate higher or lower quality.  Some very high quality hammers are solid white, some (most, if not all) crap hammers have a dyed "layer."

William R. Monroe
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