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#2066518 - 04/18/13 11:55 AM Range of "half-pedal" positions?  
Joined: Dec 2012
Posts: 3,934
Charles Cohen Offline
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Charles Cohen  Offline
3000 Post Club Member

Joined: Dec 2012
Posts: 3,934
Richmond, BC, Canada
This question is motivated by a discussion on the "digital pianos" forum:

. . . What is the range of motion, on a grand-piano damper
. . . pedal, between:
. . . . Dampers just touch the strings, and
. . . . dampers fully down.

That is, how many millimeters of pedal motion does "half-pedal" cover ?

I realize the answer may be different for "FF" than it is for "pp".

Thanks --

. Charles


. Charles
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#2067414 - 04/20/13 01:27 AM Re: Range of "half-pedal" positions? [Re: Charles Cohen]  
Joined: Dec 2005
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Cy Shuster, RPT Offline
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Cy Shuster, RPT  Offline
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Albuquerque, NM
Maybe two millimeters at most.

--Cy--


Cy Shuster, RPT
www.shusterpiano.com
Albuquerque, New Mexico
Director, PTG Norfolk 2016 Technical Institute
http://convention.ptg.org
#2067415 - 04/20/13 01:39 AM Re: Range of "half-pedal" positions? [Re: Charles Cohen]  
Joined: Apr 2007
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rysowers Offline
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rysowers  Offline
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Olympia, WA
It depends on the leverage in the pedal system. Some pedals lift the dampers more quickly than others. Also the softness of the damper felt will play a role. Firm felt will be more immediate between the off and on position. How precisely the dampers are regulated will also effect the perception of how quick the transition is between off and on.

As a pianist, it is necessary to explore the individual character of the pedal belonging to the instrument in question. Don't assume anything.


Ryan Sowers,
Pianova Piano Service
Olympia, WA
www.pianova.net
#2067494 - 04/20/13 07:58 AM Re: Range of "half-pedal" positions? [Re: Charles Cohen]  
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Olek Offline
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Olek  Offline
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Posts: 9,230
France
Some techs make the bass dampers rise first, thinking it can make some sort of "tonal pedal".

I am not convinced by that.

I usually allow the treble to raise first so the melodic part can be enhanced without making obscure resonances in the basses.

the way the dampers sit in 2 times( not sync) on the wire is also providing some progressiveness.

5 mm full raise of flat dampers is my rule

Last edited by Olek; 04/20/13 07:59 AM.

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#2067513 - 04/20/13 08:49 AM Re: Range of "half-pedal" positions? [Re: rysowers]  
Joined: Oct 2006
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David Jenson Offline
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David Jenson  Offline
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Posts: 2,539
Maine
Originally Posted by rysowers
It depends on the leverage in the pedal system. Some pedals lift the dampers more quickly than others. Also the softness of the damper felt will play a role. Firm felt will be more immediate between the off and on position. How precisely the dampers are regulated will also effect the perception of how quick the transition is between off and on.

As a pianist, it is necessary to explore the individual character of the pedal belonging to the instrument in question. Don't assume anything.
When I first saw this question, my thought was what Ryan said. If the damper system is regulated properly, "half-pedal" as well as 7/16th and 9/16th pedal is up to the player.


David L. Jenson
Tuning - Repairs - Refurbishing
Jenson's Piano Service
-----
#2068140 - 04/21/13 04:47 PM Re: Range of "half-pedal" positions? [Re: Charles Cohen]  
Joined: Dec 2005
Posts: 3,458
Cy Shuster, RPT Offline
3000 Post Club Member
Cy Shuster, RPT  Offline
3000 Post Club Member

Joined: Dec 2005
Posts: 3,458
Albuquerque, NM
Sorry; I misread your question. I answered about how much the dampers move; your question was about pedal motion.

It varies a huge amount. Vertical change at the contact point of the foot to the pedal could be anywhere from half an inch to more than an inch.

--Cy--


Cy Shuster, RPT
www.shusterpiano.com
Albuquerque, New Mexico
Director, PTG Norfolk 2016 Technical Institute
http://convention.ptg.org

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