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#648759 - 03/15/05 04:59 AM
noise problem
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Full Member
Registered: 11/13/04
Posts: 21
Loc: israel
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Hi!
I have a truble with my piano. The G (sol) above the middle C does a whistle with the sound (i mean that i can hear a whilste also when i relieve the key G).
The tuner technicain tried to slove the problem but there is still whistle. He checked the Stirng, the paralyze of the string, the hammer, and still i have the problem.
please tell me what can cause to the whistle? how to slove the problem? i need to know more about the problem if i order a technicain.
Thanks Tomer.
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#648762 - 03/16/05 08:18 AM
Re: noise problem
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Full Member
Registered: 11/13/04
Posts: 21
Loc: israel
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I tried to move the piano to other place and still i have the problem.
there is no leaky damper to the piano.
i tried to block strings and still i have the problem.
please help thank tomer
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#648764 - 03/16/05 10:12 AM
Re: noise problem
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Full Member
Registered: 11/13/04
Posts: 21
Loc: israel
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yes it's from all each string of the G.
and i have to say that on G# and F and F# i can also hear a little whilste, but on G is very high.
i don't know if this is important: when i push on some key for a monent - i can hear that the sound is still little continued and not immediate silent.
** my piano is in a normal place in my home.. not a shelter..
thanks.. tomer
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#648765 - 03/16/05 10:58 AM
Re: noise problem
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1000 Post Club Member
Registered: 11/18/02
Posts: 1320
Loc: South Carolina
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Please tell us what type of piano this is- veetical or grand. You could be hearing sounds coming from the duplex scale if it is a grand with duplex scaling. Please state what brand and size piano it is or even post a digital picture. The problem could be with dampers, string height, sympathetic vibration, hammer to string contact and a dozen other issues. The fact it is on 2 or 3 successive notes may be a clue . How is hammer letoff ? how is backchecking ?
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Certificate in Piano Technology Associate Member PTG Yamaha & Petrof/Nordiska Training Dampp-Chaser System Installer Certified Pianomation Installer
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#648766 - 03/17/05 03:49 AM
Re: noise problem
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Full Member
Registered: 11/13/04
Posts: 21
Loc: israel
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hi! My piano is "Red October" - russian piano. a pic: http://wmh.walla.co.il/community/2005/3/17/9949104/MY_PIANO.jpg the woods on the back of the piano are o.k. The piano passed hammers filing before 5 months. thanks Thanks.
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#648767 - 03/17/05 07:50 PM
Re: noise problem
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1000 Post Club Member
Registered: 02/05/05
Posts: 1135
Loc: SW Missouri
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Do you wear any sort of hearing device?
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#648768 - 03/18/05 08:28 PM
Re: noise problem
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Full Member
Registered: 12/12/04
Posts: 257
Loc: Grimsby ON Canada
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It sounds to me that you are describing the whistling that comes from the balance rail bushing in the key itself. You say that you can hear it even when you block all three strings. Try pushing the key down slowly without letting the hammer hit the string. If you can hear the noise without making the string sound then the problem is coming from the action and most likely from the balance rail bushings in the keys in that area of the piano. If that's the problem, then your tech can use a couple of drops of Protek on the key and the problem is solved.
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Piano Technician www.pianotech.ca Piano tuners make the world a better place, one string at a time.
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#648769 - 03/18/05 11:53 PM
Re: noise problem
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1000 Post Club Member
Registered: 11/18/02
Posts: 1320
Loc: South Carolina
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Thomson- you may be on to something. I had a piano a few months ago that high pitched squeaks at the balance rail. Is it possible TOMER6832 is describing a squeak as a whistle ? Anyhow I tried PROTEk but also did a little easing of the balance pin hole and added some teflon powder. The piano was a Weiler made in Eastern Europe and assembled in the Netherlands. Very similar to Spangler and Sohne. The balance pin hole was not drilled very well and had lots of wood chips and splinters in it..
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Certificate in Piano Technology Associate Member PTG Yamaha & Petrof/Nordiska Training Dampp-Chaser System Installer Certified Pianomation Installer
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#648770 - 03/19/05 09:17 AM
Re: noise problem
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1000 Post Club Member
Registered: 02/05/05
Posts: 1135
Loc: SW Missouri
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Boys, unless we know for certain what he means by "whistle" we're fanning the breeze.
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#648771 - 03/19/05 01:39 PM
Re: noise problem
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Full Member
Registered: 11/13/04
Posts: 21
Loc: israel
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" you can hear the noise without making the string sound then the problem is coming from the action"- i tried, not help.
what is balance pin?
you said that the problem can be by bad damper of other strings coze other string rings while the G is in action, but the sustain pedal can cancel all the dampers so why there is no noise in other piano? coze without a dampers on the other strings (link the sustain) could be a noise. so i asking if the dampers really effects the noise?
thanks.
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