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#3088416 03/02/21 08:18 AM
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Hi all

Can I pick your brains please smile. I recently bought a used Grotrian 225 grand and like most who have recently bought a piano I find I have been playing a lot on it. I have the dealer coming up next week to because the damper pedal has developed a rather loud squeak but whilst he's here I have asked him to look at the whole damper mechanism as well.

In effect there are two other issues I am hoping that the dealer can sort.

One is that the pedal is fairly high and stiff. I suspect Grotrian designed this piano taking into account players were likely to be wearing shoes and the soles would make the pedal height less of an issue. But at home the kids play with socks and for my 8 year old the pedal is definitely too high and stiff. The dealer has mentioned that making the pedal less stiff should be possible but is there anyway to reduce the height of the pedal easily? What adjustments can one make to the mechanism or is this something that is peculiar to each piano?

The other issue relates to the pedal and how it raises/lowers the damper pads. Is there anyway to replicate the effect of the dual pivot damper design that Shigeru has to aid half/flutter pedalling? If not what options are open to me to have more control over half/rapid flutter pedalling. I am struggling especially when trying to control half pedalling because the pedals are quite stiff and I am accustomed to a lighter pedal that gives me more precise control over it. Is there anyway to increase the range of pedal movement that controls how much the damper moves with this so that I have a larger range of pedal action to control the dampers coming back down into contact with the strings? Again I'd love to know how much adjustment is possible and if this is something any technician can do or if I would have to find someone who is more qualified?

Thank you all in advance!

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For the pedal height, the simplest solution is to put something on the floor under the pedals, for the heels to rest on. Years ago I did this in the local arts centre for an old Bechstein upright used a lot for children's piano exams. I got a concrete garden paving slab and stuck carpet tiles to both sides. Being heavy, it stayed in place and didn't get kicked around, and the carpet protected the floor.

Getting the pedal mechanism properly lubricated at all appropriate points and correctly regulated, may restore sufficient control, in combination with a more relaxed foot position because of the height adjustment.

Last edited by David Boyce; 03/02/21 11:03 AM.
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Thanks David. I'll make that a starting point with the pedal. However from the lack of responses I get the feeling that adjusting the action of dampers is difficult? Is this inherent to the way the piano is designed by the maker?

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Adjusting the damper pedal mechanism is not all that difficult, but you do have to know what you are doing, and the series of linkages and levers involved, varies from make to make.


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