<font color='navy' size='2' face='Comic Sans MS, sans-serif'>Dit<font color="navy" face="Comic Sans MS, sans-serif" size="2">tos to Pauls comments. We did a mass installation at a school. We weakened all the damper springs in Kawai, Yamaha and the new Pramberger uprights. It makes a massive difference in touch and the dampers still work just fine. Its obvious that no attempt was made in any of these to regulate spring tension. Probably too expensive<br>
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<div style="clear:both"><font color="royalblue" size="1"><b><font face="Georgia, Times New Roman, Times, Serif"><font color="black"><font color="mediumblue" face="Comic Sans MS, sans-serif">Dale Erwin RPT-</font><br>
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</font><font color="mediumblue">Pre-hung Ronsen hammer sets/Abel parts</font></font><br>
</font>Sitka Soundboards & Supplies<br>
<font color="black">WWW.Erwinspiano.com</font><br>
<font color="crimson">209-577-8397</font><br>
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<div style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original Message-----<br>
From: Paul McCloud <pmc033@earthlink.net><br>
To: pianotech <pianotech@ptg.org><br>
Sent: Tue, Mar 20, 2012 8:58 am<br>
Subject: Re: [pianotech] New piano key?<br>
<br>
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<pre style="font-size: 9pt;"><tt>Hi, Seles:
I'm not sure about this model, as I haven't seen it, but if I were to guess,
it's the damper springs. It's an upright piano, right? Yamaha pianos have the
spring-and-loop arrangement on the hammer butts, so it's not likely to have
overly strong springs there. Unless there's too much friction in the key (not
likely, or it would be sluggish). So, what's left? I've found on many pianos
that the damper springs are too strong. Strong damper springs are also likely
to cause hammer bobbling on a light blow. If that's a tendency, more than
likely it's the spring tension. You can use a Hart spring tool to bend them
backwards and weaken those springs a bit.
Good luck.
Paul McCloud
San Diego
----- Original Message -----
From: "Seles" <<a href="mailto:seles_tinus@yahoo.com">seles_tinus@yahoo.com</a>>
To: <a href="mailto:pianotech@ptg.org">pianotech@ptg.org</a>
Cc: <a href="mailto:pianotech@ptg.org">pianotech@ptg.org</a>
Sent: Tuesday, March 20, 2012 8:11:37 AM
Subject: [pianotech] New piano key?
Hi all, i just bought new yamaha piano Ju 109, but i feel the key a little bit "
hard" when press the key,
It's that normal for a new piano? Any solution to make a liitle bit light the
key?
Thank
Seles
Regards
</tt></pre>
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