pitchlock

[David Ilvedson]

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Are we suppose to put the pitchlock clamps near the bridge always?   On=
 the Pleyel I was writing about, I just put them up near the capo bar i=
n the bass section.   Would it be better near the bridge?  Next time I'=
m there I can make the switch if necessary.
David I.





Original message
From: Tvak@aol.com
To: pianotech@ptg.org
Received: 10/3/2005 6:35:36 AM
Subject: Re: pitchlock



In a message dated 10/3/05 10:22:29 AM, pcpoulso@pacbell.net writes:



there was a noticable loss in tone and volume. This was on a treble not=
e. Have you noticed any such effect?



The Pitchlock guy, forgive me but I forget his name, came to our chapte=
r meeting last year and gave us a demonstration.  He had put a Pitchloc=
k clamp on one key and asked us to just listen and tell him which one h=
ad the clamp on.  He played four different notes, repeatedly, loudly an=
d then softly, and we then voted on which note had the clamp on.  There=
 were about 40 techs there that night, and each note got about ten vote=
s.  

If a roomful of technicians can't tell which note had the Pitchlock cla=
mp on it, no consumer is going to be able to hear any difference.

I have installed one set on a horrible little console owned by a profes=
sional bass player.  There is no question that the piano sounds cleaner=
 than it did with some of the false beating being masked by the Pitchlo=
ck clamps.  So I waited about two months and then called him to ask how=
 he felt about his piano now; did he notice any change in tone color, o=
r sustain, or any other negative?  He responded that the piano still se=
emed to be in tune, and sounded great.

>From what I understand, if you position the clamps too closely to the =
bridge you can get a loss of tone color and sustain, so just be careful=
 in positioning them and in my opinion, you should have no problems rel=
ated to lack of sustain or volume, or poor tone.

Tom Sivak
Chicago 

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