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#2812327 02/08/19 12:58 PM
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I cannot recall a single discussion at PW about the quality or design or anything else about the dampers and damping mechanism. Is that because they are all basically the same? If not, what are some differences? Is the regulation of the dampers the most critical aspect?

pianoloverus #2812377 02/08/19 02:19 PM
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I would add, do some designs use more weight than others (for roughly the same size of piano)? How do dampers contribute to touchweight?

I currently have a damper somewhere that sometimes doesn't dampen enough, but it never acts up while a technician is around. 😁


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WhoDwaldi #2812492 02/08/19 07:51 PM
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Originally Posted by WhoDwaldi
? How do dampers contribute to touchweight?


Dampers are typically about as far away from the balance rail as the fronts of the keys are, so the ratio is roughly 1:1. Lead weights in the keys balance them out to produce the final touch weight.


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pianoloverus #2812501 02/08/19 08:09 PM
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From what I understand, the touch weight is affected by how early the dampers lift off from the strings once you start depressing the keys. If the dampers are lifted too early, the keys will feel heavy due to the inertia of the dampers. Dampers typically lift off when the keys are at least half depressed so that the existing momentum will help with lifting the dampers, and the keys won't feel so heavy. Perhaps a piano tech can chime in on this?

pianoloverus #2812502 02/08/19 08:12 PM
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Dampers do not affect touchweight, since touchweight is measured before the dampers lift. They do affect the feel of the action.


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pianoloverus #2812712 02/09/19 02:02 PM
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This is an interesting question. I find on my piano, if the dampers lift when the key is half-pressed, it feels like a second escapement/letoff notch, which can be marginally distracting. I set my dampers to lift off as soon as the key starts being depressed, but I'm not sure whether that's the standard/accepted method. It does make for a smoother, more uniform feel to the key travel.


Yamaha P-85, P-105, CP50, Kawai MP11 || Kawai NV-10

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