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Joined: Jun 2019
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Hello
I've had my NV10 for 2+ months and can't avoid noticing that half a dozen notes sound too loud and boomy compared to the notes adjacent to them. The worst offenders are G#4 and G#5. I've used the Volume 'user' control to reduce these by -50 which helps, but G#5 still sounds boomy.
I've tried so many settings in Virtual Technician but nothing cures the problem.
Does anyone recognise this issue or have any thoughts that might help?
I know I can contact my dealer but when I had an issue with a previous Kawai digital piano, the Kawai 'repair man' was very unhelpful and refused to visit.
Regards to all
Tony

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Use the USB to connect the DP to your pc or phone to get midi velocities. Play g#4 and f#4 together with the same finger, and see if you get the same/similar note-on velocities.

There's a decent chance you're experiencing room acoustics and not anything wrong with the DP?


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Quote
issue with a previous Kawai digital piano, the Kawai 'repair man' was very unhelpful and refused to visit.

And you still bought another Kawai...

Are there no other brands available in your area that offer better service than that?


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Firstly, thanks for the reply.
I have Pianoteq, which showed me that midi velocities were consistent across the keyboard.
I have a fair amount of acoustic treatment in my room. As an experiment I removed it to see whether there would be a difference. I discovered that instead of G# being the main problem, it was was now A natural. I re-positioned the piano to be on a diagonal to the walls. The problem note moved to G natural. So it seems room acoustics is indeed a significant factor.
My room is a bit small and that may also contribute. One day I will move the piano to a larger room as a further test.
In between the 2 Kawai pianos I had a decent Yamaha digital. That gave me no problems at all.

I will persevere with the piano. Knowing that the problem is not the piano's fault makes a big difference.

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Originally Posted by Tony Pearshouse
So it seems room acoustics is indeed a significant factor. My room is a bit small and that may also contribute. One day I will move the piano to a larger room as a further test.
Knowing that the problem is not the piano's fault makes a big difference.

I experienced the same problem with my AvantGrand N2. Some notes, in the higher register, were almost painful to my ears. So I bought a few beautiful woolen (floor) carpets from Tunesia and hanged those on the walls. Not only did that solved the problem completely, but those carpets on the wall makes my music room look even more cosy.


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I'd really like to see a photo. (Does the forum do photos?)

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Great to hear you diagnosed the issue! Best of luck and happy playing.


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Originally Posted by Tony Pearshouse
Firstly, thanks for the reply.
I have Pianoteq, which showed me that midi velocities were consistent across the keyboard.
I have a fair amount of acoustic treatment in my room. As an experiment I removed it to see whether there would be a difference. I discovered that instead of G# being the main problem, it was was now A natural. I re-positioned the piano to be on a diagonal to the walls. The problem note moved to G natural. So it seems room acoustics is indeed a significant factor.
My room is a bit small and that may also contribute. One day I will move the piano to a larger room as a further test.
In between the 2 Kawai pianos I had a decent Yamaha digital. That gave me no problems at all.

I will persevere with the piano. Knowing that the problem is not the piano's fault makes a big difference.

Bear in mind that very small movements can result in substantial changes to the reflections that are disturbing your sound at the player's location. Movements as small as 1 inch can shift the problem a full note or more. So, in your experimentation, be mindful that you could skip over the optimal spot if you are moving your speaker location more than an inch at a time.


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Originally Posted by Tony Pearshouse
I'd really like to see a photo. (Does the forum do photos?)

I tried to upload photo's but it did not work; this is not an easy thing on this forum. Maybe the files were to big; or I'am just not smart enough; I just received error messages.

Send me a privat message with your email address and I'll send you some pictures of the wall and floor carpets that solved the problem with the bad room acoustics.


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Thanks Ralphiano.
I suppose there might be a sweet spot just an inch or two away.
The NV10 has a setting where I can reduce the volume of individual notes. It's not ideal but if I can move the piano to a good spot then I can fine tune any remaining volume problems.


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