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I just adjusted [the Line In volume knob] to make the noise inaudible.

...the main symptom for me is that there is virtually no tension in the pedal - it's either on or off - and you could easily depress it with your little finger say. Also, when you depress the pedal, a loud audible 'clunk' is heard from the main DP body.

I think you may have a real issue with your damper. I don't believe spring you're talking about actually provides any significant tension. Most of the weight of the damper pedal is from the fact that it has to lift a 3ft aluminum rail which is itself holding up 5-10lb of damper hinges and weights. The fact that you can depress the pedal the entire way with your pinky means the rail isn't being pushed up. It's possible the wooden peg that actually lifts the damper rail has become dislodged and the damper mechanism isn't actually engaging?

When you depress the damper pedal, can you tell if the key weighting decreases at all? While holding the damper down, when you very lightly press a key down, can you still feel the subtle engagement point of the damper? It's easiest to tell by playing E6 and F6 (since E6 has a damper but F6 doesn't).

Hello MooseMiller, welcome to the forum, and congratulations on the purchase of your NV10!

May I ask if you had adjusted the Line In volume knob position after receiving the NV10?
Also, do you have any devices connected to the Line In connector?
If not, it's probably best to set the Line In volume knob to the minimum position.

Regarding the damper pedal mechanism:
As Gombessa notes, there seems to be a problem with the damper mechanism. If you have not done so already, my recommendation would be to contact your dealer to have this matter checked by a piano technician.
May I ask where you are based, and if the NV10 was purchased from a local dealer, please?

OK, to add a bit of chatter, let me share my newest mini-mod of the NV10, this time of the volume knob:

What I liked better with the CA97 than the NV10 was, that the CA97's volume slider has visible position markers. I usually play via speakers, but still sometimes via headphones, and the two modes require different volume settings. With the CA97, I could simply memorize the slider positions for the two volume settings for speakers and headphones, helped by the markers. The NV10's almost maker-free volume knob does not make this so easy.

Actually, I got a lucky break in so far, that the correct setting for my headphones is with the knob at the 12-o'clock position (i.e. 50% volume) which is relatively easy to see via the small white dot on the knob. But for playing with speakers, the correct-for-me volume settings is somewhere at the 2-o'clock-ish position. Which is kind of fiddly to get right without bending down very low under the piano - and I'm kind of picky with such small details. When I play, I want the volume always at the same setting, as close as possible.

So... I made another one of my zip-tie "mods":

I put a small black zip-tie around the volume knob (of course with the end cut off). The knob is metal and has small grooves around the circumference, for a better grip when turning it, so the zip-tie stays in the same position without sliding around, as it "anchors" into these grooves (or rather the inner edge of the little "buckle" of the zip-tie does this), even without having to pull the tie extra tight. I then pushed the zip-tie all the way back, almost flush with the panel, where, by virtue of being black, it is almost invisible unless you really examine the knob closely. I can actually slide off the zip-tie quite easily and slide it on again at a slightly different rotation. I used this to put the zip-tie into a position where the little buckle is about at the 12-o'clock position if the volume knob has the correct volume position. Then I cut out a tiny little rectangle from the sticky part of a post-it note, of the same size as the little zip-tie buckle, and attached that little "sticker" into the same 12-o'clock position, like you can see in the first picture below.



Note, that the volume knob position in that picture is not the correct position for playing with speakers, instead it's the headphones position where by coincidence the little white dot on the knob itself also lines up with the 12-o'click position, i.e. with my little sticker. So that makes it even easier to find the headphones position.

However, I actually did attach the little post-it sticker to find the playing-with-speakers volume position more easily. And it now makes it easier, because I simply have to turn the knob to the position where the little zip-tie buckle completely obscures the little yellow sticker, as seen in the second picture:



That is quite easy to see even when seated at the piano and only bending down the head slightly, so it is now a quick adjustment to make. Plus as an additional advantage, since that's the usual position of the knob, you usually don't even see the little sticker.

You may (probably rightfully so) think that this is a stupid little thing, but for me, it's a nice little improvement.

BTW, for other NV10 owners: While doing all this I realized, that the panel with the sockets, the volume knob and the on/off switch was covered with one of those protective films, which is not easy to see, as, at least in my case, the film matched up so perfectly with the panel edges. That film is already removed in the above pictures.

Actually, reading this thread, and even without owning one of these (I wish!) I can see that one big improvement would be to have separate volume knobs for both headphones and the speakers.

That would be a nifty feature. But is there any digital piano on the market that has this?

Currently considering jumping back on the kawai ship with a Novus. How are your impressions so far?

Currently considering jumping back on the kawai ship with a Novus. How are your impressions so far?

Currently considering jumping back on the kawai ship with a Novus. How are your impressions so far?

Nice to hear guys.

@TomLC: Luckily here in Germany, i have a dozen of shops within my reach with a NV10 in stock.

....He lives a couple of miles from me, and came by today to replace a couple of wires. The reason you guys hear a noise in the speakers is a wire in the back, and another under the display. He kept listening to the top left speaker for that noise. MooseMiller was talking about. So you may want to call your dealer, or Kawai support and ask them about it.

Interesting... You say he replaced the wires (rather than insulate, or re-attach them)? May well be some kind of shielding issue then