Yamaha GH3 key action





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Uploaded on Feb 23, 2011

this is a sample of Yamaha graded hammer 3 keyaction, build year 2005.
gues it has been very well used and the keyaction is still in good shape.

what´s is the diffent between Grand Hammer,GH-key and GH3?
in CLP 406 Yamaha tells="The Graded Hammer 3 action has an additional 3rd hammer sensor allowing for more accuracy on fast repetitive notes".

so the "old" type of GH3 has not a 3rd sensor ?

And how looks the new "Linear Graded Hammer system" first used in the new CLP 470,CLP-480. is that another name for "Natural wood" NW-key? read on the web it is just wood glued on the sides of the plastic keys

Anyone who has possible to disassemble and filming
to uppload a movie of all their keyaction. GSoft Touch(NP-30),GHStandard(p-85,p-95,DGX-630,640),GH(p-155,clp3­20),GH3(clp330),NW(clp370),NW-STAGE(CP-5)
i have seen repair movies on youtube. and they show hammers of steel wire and plastic parts everywhere who gets broken. there is only 1 or 2 sensors just same contacts inside the calculator bottoms, contact on and not contact.
so is the electronic simulate soft,fast touch with different delaytime.
All marketing of advanced mechanical designs is just fake. it's just bonding on and off. the rest of keyaction response made by the software in terms of computer software program.
it may determine is how much sound and shock absorbing materials there are, and how the mechanical movements are isolated from that propagated in the cabinet which will otherwise become a major resonance box.

the keyboard design is in major similar for low-cost producers and expensive brands. the difference is more depending on how the sound-absorbing materials availableavailable and the actual housing construction. if there is a fine piece of furniture or plastic housing
the electronic sound can be made from just an ordinary computer and software pianosample.
digital piano manufacturers make a lot of money to charge excessive prices on their electronic devices. Hope the engineers at Yamaha to develop a digital action mechanism of a real grand piano, instead of simply renaming their old GH3 design from year 2002.

find this "The CLP-170 introduced the GH3 (Graded Hammer 3) keyboard, which was based on the GH keyboard but had three sensors, including Yamaha's proprietary Damper Sensor. This enabled the player to use advanced grand piano techniques such as playing the same note repeatedly with perfect articulation. It was the first Clavinova with iAFC (instrumental Active Field Control), an advanced acoustic technology for reproducing sounds with breadth and depth, just like a stage performance, as well as the sympathetic string resonances that occur when the damper pedal is pressed" anyone who can do a video of all this features

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