Pitchlock

[Joe And Penny Goss]

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Hi Michael,
Yes in many ways the problem could be considered similar.However in the =
case of the piano we are trying to get two and three strings to sing in =
sympathy. The wolf on your cello is there due somethimes to a bad =
string, or more likely in your case becuase of an inbalance of the tail, =
 finger board,  tail piece,  neck,  and head stock. One or all may be =
the culprit. A few years back I had my upright worked on by a bass =
specialest.
Spent two days watching him replace the fingerboard with ebony and tap =
tap tapping and listening to the resonance of the above areas. Then he =
would remove wood from the areas or add brass filled epoxy to get the =
balance he wanted. Boy what a huge difference it made in the singing =
quality of the instrument.
I view this work in the same light as voicing hammers or perhaps belly =
work. No ordinary factory mass produced piano is made with these ideas =
in mind, just get them made and out the door.
I think the same impedance issues may be involved in pianos as well, as =
there are pianos that do not respond to pin tightening methods or =
tapping to move the wear spot.
ramblin on
Joe Goss RPT
Mother Goose Tools
imatunr@srvinet.com
www.mothergoosetools.com
  ----- Original Message -----=20
  From: Michael Gamble=20
  To: Paul Chick (Earthlink) ; pianotech@ptg.org=20
  Sent: Monday, June 20, 2005 2:05 PM
  Subject: Re: Pitchlock


  Hello List and Paul C.=20
  For those able to attend that class this must have been a day of =
Revelations. (Not religion!) But for those unable to attend I wonder =
what a "Pitchlock" is? Is it something like the "Wolf Arrester" I have =
on my 'cello "C" string?
  Regards
  Michael G.(UK)
    ----- Original Message -----=20
    From: Paul Chick (Earthlink)=20
    To: 'Pianotech'=20
    Sent: Monday, June 20, 2005 2:09 PM
    Subject: RE: Pitchlock


    =20

    Subject: Pitchlock

    =20

    Has anyone had experience with the pitchlock devices.  It sounds =
like something that would help with some wild bass strings, and maybe =
even some false beating treble strings.  However the startup cost is =
pretty hefty.  Not bad if it does what it says, but I thought I might =
inquire from the list first.

    Any thoughts??

    =20

    Ed Carwithen

    John Day, OR

    =20

    Ed

    The class on Pitchlock at the K C Institute demonstrated their use.  =
Attendees listened to the "before" and the "after" in the speaking =
lengths, front and rear duplex.  They work as claimed.

    =20

    Paul C

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