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<DIV>Hi Dale,</DIV>
<DIV> </DIV>
<DIV>Thanks for your response. Yes, I'd be interested in seeing the
specs. I certainly agree and have experienced the results of a too heavy
hammer in the treble. My biggest concern (as in the past) is power.
The last piano I did for an <impossible hall> had enough power if the
right pianist was playing it. Actually, there was only one instance when I
felt the piano was lacking and there was a discussion on this list of the
pianist's role in projection. If I had that piano to do over again, there
are a few things I would change--even though the response to the piano
was very positive. So, now I might be facing another <impossible
hall> and I know I will have to experiement further with hammer weight.
Do you follow a SW line all the way through the piano, or do you go heavier
lower and then jump down in the treble?</DIV>
<DIV> </DIV>
<DIV>Thanks.</DIV>
<DIV> </DIV>
<DIV>Barbara Richmond, RPT</DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=Erwinspiano@aol.com
href="mailto:Erwinspiano@aol.com">Erwinspiano@aol.com</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=pianotech@ptg.org
href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Saturday, October 07, 2006 9:52
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Hammer Types</DIV>
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<DIV><BR><BR><BR> <STRONG><EM>
Hi Barbara</EM></STRONG></DIV>
<DIV><STRONG><EM> Ric's
point about heavier hammers is well taken but IMO most of the volume increase
will be from about note 52 down to the bottom & generally the hammer
will need to be stiffer to produce similar high partial blend to a more
usual/normal weight hammer. The reason is it will take more time for the
kinetic energy to be released into the string & more time for the hammer
to reverse directions & this can be a real tone killer in the treble
octaves. Ie. I don't like using more than a 6 gram hammer on
C-64 in general.</EM></STRONG></DIV>
<DIV><STRONG><EM> Otherwise with the heavier hammer the
sound can be come too fundamental laden. But it's just a voicing
issue. Too heavy a hammer in the treble means more potential due
to damping by the hammer, as the fundamental created by the initial pulse
wave gets back to the hammer before it leaves the string.</EM></STRONG></DIV>
<DIV><STRONG><EM> I personally like the shine that shows up in the
overall tone with the presence of even a small amount of lacquer in the
hammers. I'm installing a les stiff set of Renner blues in a 70's
Hamburg D presently & I know that they need & will easily tolerate a
thin solution of Laquer acetone or keytop & plastic. <U> I
will</U> get the tone I want. </EM></STRONG></DIV>
<DIV><STRONG><EM> BTW The original Renner hammers tend
to be a pretty beefy hammer weight wise. If you want to know I'll send the
specs later along with the action ratio.</EM></STRONG></DIV>
<DIV><STRONG><EM> Regards</EM></STRONG></DIV>
<DIV><STRONG><EM> Dale<BR></EM></STRONG>><BR>> Hmm, I
was actually wondering about the power issue, since I've<BR>>
heard more<BR>> than once concerns about Renner hammers
cutting through the<BR>> orchestra in a<BR>>
bigger hall. I've never heard of a problem with a Hamburg
Steinway<BR>> being<BR>> heard. There is
a possibility that I *may* have another big, not as<BR>>
big,<BR>> but still big, dead hall to try to fill.
:) Since I hear oo-la-las<BR>> about<BR>>
Hamburg Steinway pianos (Yes, I understand that this is a NY piano)
and<BR>> groaning about the hammers coming out of NY, I
thought I'd test out<BR>> Hamburg<BR>> hammers
as another possibility.</DIV>
<DIV> <STRONG><EM> Actually I find the Hammers coming out the factory to
be quite good right now. I just installed a set in a 70's B that were
pretty much instant music after shaping to a serpintine shape & the usual
weight prepping for an even strike weights. I have added very samll amounts of
juice in the treble & the sound is lush fat & rich. Not clangy &
thin.</EM></STRONG></DIV>
<DIV><STRONG><EM></EM></STRONG><BR>><BR>><BR>> Barbara
Richmond, RPT<BR>> near Peoria, IL<BR>></FONT></DIV></DIV>
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