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#2066518 - 04/18/13 11:55 AM Range of "half-pedal" positions?
Charles Cohen Offline
1000 Post Club Member

Registered: 12/26/12
Posts: 1718
Loc: 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

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#2067414 - 04/20/13 01:27 AM Re: Range of "half-pedal" positions? [Re: Charles Cohen]
Cy Shuster, RPT Offline
3000 Post Club Member

Registered: 12/18/05
Posts: 3448
Loc: Albuquerque, NM
Maybe two millimeters at most.

--Cy--
_________________________
Cy Shuster, RPT
505-265-4234
www.shusterpiano.com
www.facebook.com/shusterpiano
Albuquerque, New Mexico

Registered Piano Technician
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#2067415 - 04/20/13 01:39 AM Re: Range of "half-pedal" positions? [Re: Charles Cohen]
rysowers Offline
2000 Post Club Member

Registered: 04/16/07
Posts: 2668
Loc: 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

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#2067494 - 04/20/13 07:58 AM Re: Range of "half-pedal" positions? [Re: Charles Cohen]
Olek Offline
7000 Post Club Member

Registered: 03/14/08
Posts: 7904
Loc: 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


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]
David Jenson Online   content
2000 Post Club Member

Registered: 10/22/06
Posts: 2288
Loc: 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
-----

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#2068140 - 04/21/13 04:47 PM Re: Range of "half-pedal" positions? [Re: Charles Cohen]
Cy Shuster, RPT Offline
3000 Post Club Member

Registered: 12/18/05
Posts: 3448
Loc: 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
505-265-4234
www.shusterpiano.com
www.facebook.com/shusterpiano
Albuquerque, New Mexico

Registered Piano Technician
Dampp-Chaser Certified Installer
PianoDisc Certified Service Technician

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