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I answered in your other thread...

Have you tried removing a key?

Gombessa had previously measured the MP11’s GF white key pivot length at ~9.5 inches, and the GF2 should be the same. I have noted Kawai’s literature for the CS11 on its introduction stated the CS11’s GF2 white key length was exactly the same as Kawai’s RX acoustic pianos. I thought I had seen the GF2 being the same as the RX2, but I can’t find a reference for that.

The overall key length for the GX series was lengthened by 1”, as was the GL series later. It seems reasonable that if the Novus NV10’s pivot length is .7” longer, then the overall key length of the NV10 might be 1” longer. This would equate the NV10’s overall key and pivot lengths to the GX and GL acoustic pianos, while the GF and GF2 would be equivalent to the earlier RX pianos.

I do not know at what length of acoustic piano Kawai would further lengthen the key length in order to strike the longer strings at an appropriate point, but I assume the GF2 and NV10 actions match ones at the shorter end of the scale, likely the RX2 and GX2/GL2 respectively.

I posted here on this thread the pivot length of my Kawai GX2 with a photo.

https://forum.pianoworld.com/ubbthre...wai-novus-nv10-hands-on.html#Post2712955

Its 26.2 cm with the rail still attached, so after all it might be more or less identical to then NV10.

Daniel

Hello UKchap75,

I was wondering, when you have some free time, could you write for us a review of your impressions of the Kawai Novus NV10 with respect especially to the following points:
1) Sound.
---With headphones and without headphones.
---The Pianist mode vs. the Voice mode.
2) Touch. Keyboard touch and so on.
3) Possibly your take on the debate about Novus NV10 vs. Yamaha N3X or lower N2 or N1?
4) Other things you would like to mention.
5) By the way, where did you buy your Novus NV10 in the UK?

Thanks in advance.

Congratulations on your Kawai Novus NV10.

Just a remark on the warranty.
At this link at https://www.gear4music.com/Keyboard...T-MmK2gIVSjobCh1BCACMEAAYAyAAEgIQw_D_BwE
it indicates:
Includes 2 year warranty & 30 day money back guarantee
Optional: 4 year warranty: £679.42
(Includes 60 day money back guarantee)

I believe that most piano manufacturers provide a 5-year warranty. Roland goes even better with a warranty for 10 years on their digital piano LX and HP line!
Why on an expensive piano such as the Novus NV10 is the warranty covering only 2 years?!

Bonners Music has 5 year warranty for that base price (£7829)
https://www.bonnersmusic.co.uk/kawai-novus-nv10-hybrid-digital-piano.ir

Mine has a 5 year warranty. As did my previous Kawai pianos. CN35, CA97, CS11. This one I truly expect to keep for more than 5 years.

Same from Kawai Germany: 5 years on all grands, uprights and digitals, including of course the NV10.

Hello MikePianoLover,

Gear4Music is headquartered in the UK and purchases Kawai instruments from Kawai UK.
Kawai UK offers a 5 year parts and labour warranty, as detailed on this page:

http://www.kawai.co.uk/5years.htm

It could be that the 2 year warranty mentioned on the Gear4Music website is referring to the retailer's warranty, not the distributor's (Kawai UK) warranty. I will double-check the situation with my colleagues in the UK and confirm this point.

Kind regards,
James
x

I was taking care of a few things today, so with the back off I decided to grab some pictures. There are a lot of images of keys and hammers, but not a lot about the back action, which is mostly obscured by a cushioned rail:

Here's the damper mechanism. Each is individually weighted, with capstans to adjust height against the keystick.


If you look closely, you can see the wooden peg (with a steel guiding pin) that is mechanically linked to the damper pedal, and which pushes the entire damper rail (a single extruded aluminum rail) up.


And of course, the damper weights are graded. There are four zones, with 17 keys in each zone, for a total of 68 damped (dampened?) keys and 20 undamped keys. So the undamped keys in the upper register start at F6 (or F7 depending on how you count).

Is it possible to remove individual keys?

Cool pictures Gombessa, interesting to see the damper weights lifted up.

Pete, when I cleaned the key I mentioned, I tried to lift it out but it was restricted by the wippen mechanism before coming clear of the pins, so I didn't. However, it's possible that I was simply too timid to try properly (I didn't want to break anything) or that there is a trick that I don't know.

Thanks. The reason I’m curious is that seeing how easy it is to get to the action, if one could fully remove individual keys, it would be easy for the user to perform some basic repairs/adjustments without having to call-in a tech only to see him tilt this or compress that on/under a key. “Hey, I could’ve done that myself”.
It seems as if most issues with Kawai actions usually have to do with key warping (expanding/contracting), bent/misaligned pins (at pivot and under keys), and other issues having to do specifically with individual keys rather than the more complex components of the action mechanism.

I think in this thread you'll find a lot of people who think a lot like you, at least for the basic stuff

Though with a lot of the traditional action/key regulation issues I feel I would want to know how to do it the "correct" way rather than accidentally muck something up with improper glue/sanding/etc.

Does anybody have the software to update the NV10?
I would like to update my NV10 to 1.0.2.
I'd be curious to see what the differences are

I would contact your Kawai Germany (or EU) office and ask them.

As for what is updated, I think you can get an idea from the CA-78/98 1.0.2 update thread on this forum:

https://forum.pianoworld.com/ubbthre...re-update-now-available.html#Post2703626

I got it from Kawai Germany. Didn't notice much of a difference though (it takes ~2 hours to install!).

Thanks you guys.
I contacted them this morning. No answer yet.
I was just curious if somebody could just send it to me.

That is scary long - what if one loses electrical power in that time frame? You have a dead brick piano!

Osho