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Re: Difference between Graded keys and 88 Linear Graded Hammer [Re: RickardNi] #2601379 01/05/17 03:40 PM
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Gombessa Offline
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I certainly have never noticed the grading steps on any of my DPs, or noticed anything weird when transitioning to a "real" linear graded action in an upright or grand. But I'm also a rank amateur player and don't think my standards/experience reflect active else's smile


Yamaha P-85, P-105, CP50, Kawai MP11 || Kawai NV-10
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Re: Difference between Graded keys and 88 Linear Graded Hammer [Re: RickardNi] #2601387 01/05/17 04:01 PM
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Frédéric L Offline
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Originally Posted by RickardNi
I look through all the downloadable documents for CLP-150.


The CLP-150 service manual is downloadable wink But here : http://elektrotanya.com/yamaha_clp-150.pdf/download.html

You will find 8 part references about hammer : 4 for the white keys and 4 for the black keys.


If you are interested about your DGX-650, you should try http://elektrotanya.com/yamaha_dgx-650b_dgx-650wh.pdf/download.html

The GHS is also divided in 4 zones.


Yamaha CLP150, Bechstein Digital Grand, Garritan CFX, Ivory II pianos, Galaxy pianos, EWQL Pianos, Native-Instrument The Definitive Piano Collection, Soniccouture Hammersmith, Truekeys, Pianoteq
Re: Difference between Graded keys and 88 Linear Graded Hammer [Re: RickardNi] #2601392 01/05/17 04:18 PM
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Jasper E. Offline
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15 g difference in weight sounds something like 0.015 kg * 9.81 N / kg = 0.14175 N difference in force, assuming you would like to use the piano on Earth smile


Kawai KDP-90
Re: Difference between Graded keys and 88 Linear Graded Hammer [Re: Frédéric L] #2601393 01/05/17 04:21 PM
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RickardNi Offline OP
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Originally Posted by Frédéric L
Originally Posted by RickardNi
I look through all the downloadable documents for CLP-150.


The CLP-150 service manual is downloadable wink But here : http://elektrotanya.com/yamaha_clp-150.pdf/download.html

You will find 8 part references about hammer : 4 for the white keys and 4 for the black keys.


If you are interested about your DGX-650, you should try http://elektrotanya.com/yamaha_dgx-650b_dgx-650wh.pdf/download.html

The GHS is also divided in 4 zones.

Thanks, that was extremely helpful! I only watched the downloadable documents from Yamaha's official homepage, didn't know the service manual differed so much.


Kawai CA97 + Sennheiser HD 650
Re: Difference between Graded keys and 88 Linear Graded Hammer [Re: RickardNi] #2631374 04/08/17 06:00 PM
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Shoveller Offline
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So each 2014-2017 CLP-500 has slightly different key action.
CLP-525 GH3: 3 sensirs, plastic, group weighted.
CLP-535 GH3X: 3 sensors, plastic, group weighted, escapement.
CLP-545 NWX: 3 sensors, wood, group weighted, escapement.
CLP-575 NWX-LGH: 3 sensors, wood, individually weighted, escapement.
CLP-585 NWX-LGH-CW: 3 sensors, wood, individually weighted, counter weighted, escapement.

Last edited by Shoveller; 04/08/17 06:05 PM.

39 year old father of 7 year old:
Barratt, C. (1995) Classic Piano Course [1 p.29] London: Chester
Yamaha Clavinova CLP-575 PE
Re: Difference between Graded keys and 88 Linear Graded Hammer [Re: Shoveller] #2631380 04/08/17 06:17 PM
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Gombessa Offline
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Originally Posted by Shoveller
So each 2014-2017 CLP-500 has slightly different key action.
CLP-525 GH3: 3 sensirs, plastic, group weighted.
CLP-535 GH3X: 3 sensors, plastic, group weighted, escapement.
CLP-545 NWX: 3 sensors, wood, group weighted, escapement.
CLP-575 NWX-LGH: 3 sensors, wood, individually weighted, escapement.
CLP-585 NWX-LGH-CW: 3 sensors, wood, individually weighted, counter weighted, escapement.


And here we all thought Yamaha never makes any changes to their actions wink

For the 2017 CLP-600 series, I guess you can also add the GrandTouch action variations to this list...



Yamaha P-85, P-105, CP50, Kawai MP11 || Kawai NV-10
Re: Difference between Graded keys and 88 Linear Graded Hammer [Re: Gombessa] #2631385 04/08/17 06:37 PM
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Posts: 26
Shoveller Offline
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Originally Posted by Gombessa
I guess you can also add the GrandTouch action variations to this list...
Ah, well even as you were writing that, I was doing exactly that on the CLP-600 thread. I should get out more.

Last edited by Shoveller; 04/08/17 06:38 PM.

39 year old father of 7 year old:
Barratt, C. (1995) Classic Piano Course [1 p.29] London: Chester
Yamaha Clavinova CLP-575 PE
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