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#1870878 - 03/30/12 09:18 AM New Kawai CA93 with issues
scriabinfanatic Offline
Full Member

Registered: 03/23/12
Posts: 32
Loc: Maryland, USA
My new CA93 sounds great, but after some hours of playing on it, there are two issues that bother me with it...neither one of which I noticed when trying out a demo CA93 before buying. I wonder if any other CA93 owners have noticed these things, or if there is something wrong with my CA93.

1. In the second-from-the-highest octave on the piano, the notes in the middle of that octave -- i.e. around F, F#, G, G#, and A -- are disproportionally loud/bright. If it was an acoustic piano, I would say that the hammers need voiced (pricked with that needle tool thingy) on those notes. But this issue affects all the different piano sounds on the CA93 in the same way, so I am guessing that it is something to do with the speaker system. Unfortunately, there doesn't seem to be a parameter in the CA93 for equalizing individual notes -- just broad Low/Mid/High controls.

2. My two favorite piano sounds on the CA93 -- the default Concert Grand and the Studio Grand (first one) -- have a subtle anomaly in the sound envelope of one of the keys when striking that key with medium-high or higher force. Almost immediately after striking the affected key, the volume of the sound envelope abruptly stairsteps down a small but noticeable (to me) amount. The affected key is the A above middle C in the Concert Grand and Studio Grand. Which makes it a more serious problem, because that note is right in the heavily-used area where so often you want to sing out a melody. It breaks the continuity of the melody line to have that jarring little volume attenuation right after the initial attack in the note's sound envelope. It almost sounds like what you would get on a real piano if the damper on that note were quickly falling to a half-damped position over the strings after the note is struck. So to avoid this issue, I find myself reverting to using my third favorite piano sound on the CA93, which is Concert Grand #2. Unfortunately, that is a DISTANT third in my preferences.


Edited by scriabinfanatic (03/30/12 09:52 AM)

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#1870966 - 03/30/12 12:25 PM Re: New Kawai CA93 with issues [Re: scriabinfanatic]
Amateur Jerry Offline
Full Member

Registered: 02/01/09
Posts: 65
Loc: Mokena, Illinois
Scriabinfanatic,

I have found the same symptoms on my new CA63 (delivered this week).

For the brightness I have been trying to adjust the EQ and the touch to hopefully mellow that out. At first I thought it was me because my old Clavinova had stiff action and I thought I bottoming out on the CA63.

Regarding the stairstepping, I notied that in one of the voices, I can't remember which one. As you alluded to the dampers, I have been playing with Damper Resonance

One of the issues I am struggling with is when I record my playing, replay, and then press the stop button, the keypad becomes unusable. I have to power down and re-start. That I REALLY don't like. I am re-reading the manual to see if there is something I am doing wrong.

KAWAI JAMES: Do you have any ideas?
_________________________
Czar

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#1871175 - 03/30/12 08:25 PM Re: New Kawai CA93 with issues [Re: Amateur Jerry]
Kawai James Online   content
Yikes! 10000 Post Club Member

Registered: 09/06/07
Posts: 10078
Loc: Hamamatsu, Japan
Originally Posted By: Amateur Jerry
One of the issues I am struggling with is when I record my playing, replay, and then press the stop button, the keypad becomes unusable. I have to power down and re-start. That I REALLY don't like. I am re-reading the manual to see if there is something I am doing wrong.

KAWAI JAMES: Do you have any ideas?


Are you using the internal song recorder, or recording WAV/MP3 audio to a USB memory device? Regardless, the instrument obviously should not 'lock-up' in this way.

Please check that your instrument is using the latest software (currently v1.09) by holding the 'ORGAN', 'HARPSI & MALLETS' and 'STRINGS' buttons simultaneously while turning on the instrument. Even if you are running the latest version, it may still be worth applying the update to clear the memory. Software updates can be downloaded from the Kawai Japan website at the URL below:

http://www.kawai.co.jp/worldwide/support/updates.html

If the update does not resolve the issue, please contact the dealer from where the instrument was purchased to file a servicing request.

I hope this helps.

Kind regards,
James
x
_________________________
Employed by Kawai Japan, however the opinions I express are my own.
Nord Electro 3 fan & occasional rare groove player.

"Richard, none of us could forget you have a CLP-990." - EssBrace, 2014

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#1871249 - 03/30/12 11:55 PM Re: New Kawai CA93 with issues [Re: scriabinfanatic]
Amateur Jerry Offline
Full Member

Registered: 02/01/09
Posts: 65
Loc: Mokena, Illinois
Kawai James; I reloaded the s/w, and the recorder has been functioning. For now the lock up problem appears to be solved.

scriabinfanatic: I have spent all evening looking into the stair stepping problem. What I have found that when I have the Effects on a Room 1 or 2 setting with a longer Delay depth & time the stair stepping is present. When I change the effects to Hall 1 or 2 or Stage and lower the Delay settings the problem dissipates.

I still find around A6 to G6 the sound is a little louder & brighter than what I am accustomed to hearing. It may just take some time to get used to. Otherwise, I believe the piano is really worth the money. I am extremely happy with the touch and feel and the overall tone is very close to the acoustic Kawai's. When wearing my Sennheiser's, it sounds like an AP in many respects. My piano is in a small room, so not having the sound system of the 93 is not that much of a problem, and I am headphones about 75% of the time. Hope the stair stepping dissipates for you. The Concert Artist series is very enjoyable to play.
_________________________
Czar

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#1871250 - 03/30/12 11:59 PM Re: New Kawai CA93 with issues [Re: scriabinfanatic]
Kawai James Online   content
Yikes! 10000 Post Club Member

Registered: 09/06/07
Posts: 10078
Loc: Hamamatsu, Japan
Amateur Jerry态thank you for the update - I'm glad to hear that reloading the software resolved the recorder hang-up.

Cheers,
James
x
_________________________
Employed by Kawai Japan, however the opinions I express are my own.
Nord Electro 3 fan & occasional rare groove player.

"Richard, none of us could forget you have a CLP-990." - EssBrace, 2014

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