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BobTheDog
Platinum Member
Joined: 21 May 2007
Posts: 1535
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 Posted: Tue Aug 06, 2013 3:57 pm Post subject: |
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You could keep trying till you get one that is ok, the best bet is probably the X version.
There was probably a reason it was B stock. |
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dfahrner
Platinum Member
Joined: 21 Jun 2008
Posts: 571
Location: Bend, OR
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| Posted: Sat Aug 17, 2013 4:46 pm Post subject: Re: Cause of retriggering / note cutoff? |
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| dfahrner wrote: | | ...investigation continues, more to follow... |
Replacing the hammer pad with one of the same dimensions but made of piano felt/piano felt cloth (less "bouncy" than the factory rubber/felt one) made a little bit of difference, but a few keys still had the problem. (The keyboard "feel" and noise are unchanged with the felt pad.)
Opening a "refurbished" K73 and comparing its blue key contact strips with the pink ones in the K88, there are slight but significant differences: the blue contact strips are made of a harder, less flexible rubber than the pink ones, and are a little taller, with a slightly angled top surface. The blue contact strips are approximately .440" tall on the S2 (second contact) side, and .420" tall on the S1 side, while the pink ones are approximately .400", with the top surface parallel to the bottom.
From Korg Customer service, these are the part numbers for the KRONOS key contact strips that they currently have in stock:
#500422008889: RH-3E RUBBER SW12KEY E20373
#500422008890: RH-3E RUBBER SW 4KEY E30636
Korg says that these are the "newer blue ones", and that pink ones are "old stock" and your parts supplier / warranty service center should reorder to be sure to get the correct parts. (These are new part numbers, too - the part numbers that have been posted here previously, #500422008817 and #500422008818, may be for the older pink contacts - ?) Part Is Parts got a set of these newer blue contact strips for me, and they are the same slightly stiffer / taller / angled contact strips that are in the K73. I installed them in the K88 and the note cutoff / retriggering problem is finally fixed.
It took more than two months to resolve this. I tried to follow the correct procedure, contacting the authorized dealer, warranty service center, parts supplier, and customer service, several times each; they either didn't reply, or had no information about the problem, or the blue contact strips, or a fix (?). The warranty repair center had the K88 for a month and replaced the keybed, and when I got it back it still had the problem (and the new keybed had pink contact strips). Korg customer service would not let me talk to their parts or repair department, but could only tell me to send the instrument back to the warranty service center again. It was only after writing a (real snail-mail) letter to Korg that I got a response with the part numbers for the newer blue contact strips.
df |
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Davidb
Platinum Member
Joined: 21 Oct 2002
Posts: 1592
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| Posted: Tue Aug 20, 2013 12:55 am Post subject: Re: Cause of retriggering / note cutoff? |
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| dfahrner wrote: | | dfahrner wrote: | | ...investigation continues, more to follow... |
Opening a "refurbished" K73 and comparing its blue key contact strips with the pink ones in the K88, there are slight but significant differences: the blue contact strips are made of a harder, less flexible rubber than the pink ones, and are a little taller, with a slightly angled top surface. The blue contact strips are approximately .440" tall on the S2 (second contact) side, and .420" tall on the S1 side, while the pink ones are approximately .400", with the top surface parallel to the bottom.
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Perfectly described.
And I can confirm myself (as I did time ago) that everything you state above its correct.
| Quote: |
From Korg Customer service, these are the part numbers for the KRONOS key contact strips that they currently have in stock:
#500422008889: RH-3E RUBBER SW12KEY E20373
#500422008890: RH-3E RUBBER SW 4KEY E30636. ...
It took more than two months to resolve this. I tried to follow the correct procedure, contacting the authorized dealer, warranty service center, parts supplier, and customer service, several times each; they either didn't reply, or had no information about the problem, or the blue contact strips, or a fix (?). The warranty repair center had the K88 for a month and replaced the keybed, and when I got it back it still had the problem (and the new keybed had pink contact strips).
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Correct as well.
It happenend to me too, and with different 73 Kronos models.
| Quote: |
Korg customer service would not let me talk to their parts or repair department, but could only tell me to send the instrument back to the warranty service center again. It was only after writing a (real snail-mail) letter to Korg that I got a response with the part numbers for the newer blue contact strips.
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Thanx for your input, df.
And for taking time to report all this properly.
I think it will help a lot to all the users still affected by the 88 and 73 Kronos models with keyboard isssues.
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Regards.
D. |
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Pedja
Platinum Member
Joined: 20 Sep 2013
Posts: 576
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BobTheDog
Platinum Member
Joined: 21 May 2007
Posts: 1535
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| Posted: Tue Nov 19, 2013 12:44 pm Post subject: |
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The pink/blue apparently doesn't signify if you will have problems
I apparently have updated contacts and mine are pink.
I haven't noticed any distortion in combis, what ones are causing you problems? |
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Pedja
Platinum Member
Joined: 20 Sep 2013
Posts: 576
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| Posted: Tue Nov 19, 2013 1:16 pm Post subject: |
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Thanks,
For you attention and fast answer BobTheDog. I really hope that you are right about pink and blue strips. I don't have a problems till now, and I hope that it will be like this in the future.
About, sound distorsion, I am not now, near my Kronos, and I have to check for this, after that I will answer you.
_________________
Pedja
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Kronos X73, Kurzweil PC3LE8, ASM Hydrasynth, Arturia Keylab mk2 61, AKAI MPC Key 61
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semmi78
Junior Member
Joined: 26 Sep 2002
Posts: 83
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| Posted: Wed Nov 20, 2013 9:17 pm Post subject: |
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1. When and where you had the repair performed
No repair, brand-new unit with 1.5.2 installed. So I believe this has the new keybed
2. Which model (73 or 88 )
73
3. Any information you were told about the specific repair made
None
4. The results -- did the fix work?
No cut-off issues so far. Great keybed!
5. Serial Number (optional)
36XX
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Korg Kronos 88, Korg Trinity plus |
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Pedja
Platinum Member
Joined: 20 Sep 2013
Posts: 576
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philmagnotta
Full Member
Joined: 13 Apr 2007
Posts: 132
Location: Rhode Island, USA
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| Posted: Thu Mar 20, 2014 6:30 pm Post subject: new customer...perhaps |
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I bought a Motif XF7 and am considering adding a Kronos.
What is the official, if any, status on these keybed issues currently?
I've read through most of the conversations here but, hopefully someone may know or advise me.
Should a new customer have to consider that these units are still not revised or rather does it depend on where or what serial numbers officially represent revised stock.
Do these issues appear more often in the weighted or non-weighted versions.
I agree, that the Kronos has the most advanced sound producing options right now but, am concerned with the idea that if I do have issues, I'll have to part with the board and cross my fingers regarding proper fixes etc. |
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pedro5
Platinum Member
Joined: 06 Oct 2011
Posts: 1150
Location: Coventry UK.
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| Posted: Thu Mar 20, 2014 8:01 pm Post subject: |
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Couldn't resist replying to this topic.
Go ahead and consider buying a Kronos,you stand a good chance that the later ones will be problem free.
The K is an excellent instrument and will provide many hours of pleasure playing.
However.....yes here comes the negative part.....I've just had my own "repaired" and following thorough testing,the service centre say there was nothing wrong with it anyway.
The rubber contacts were changed,but it's not made much difference.
The orignal fault remains,but now has an additonal one as well.....but they still maintain that it was ok when they checked it.
I'm now facing an uphill battle in trying to convince them there are faults with it,which will be difficult to provide any evidence that would highlight the problems.
Although my contract is with the dealer I bought it from,the snag being that they will abide by the service centre's findings and my opinions won't count for much,without further proof etc.
How do I provide evidence of a fault that is so obvious when played...??.
They will probably deny that the "new" fault doesn't exist neither....
You're probably ok as you don't live in the UK and have better service centres to choose from.
Most warranty work of Korg instruments can only go to one place in this country,so I don't have any choice.
There are no official status reports from Korg regarding any keybed issues.(There never has been,neither).
Make what you will from that,but don't dwell on it too much.....there are many owners with perfectly functioning instruments.
The ones that have had the most problems have been with the RH3 keybeds(hammer action etc).
As said,get a Kronos and enjoy !!!
Best Wishes. |
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GregC
Platinum Member
Joined: 15 May 2002
Posts: 9451
Location: Discovery Bay (San Francisco Bay Area)
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| Posted: Thu Mar 20, 2014 10:06 pm Post subject: Re: new customer...perhaps |
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| philmagnotta wrote: | I bought a Motif XF7 and am considering adding a Kronos.
What is the official, if any, status on these keybed issues currently?
I've read through most of the conversations here but, hopefully someone may know or advise me.
Should a new customer have to consider that these units are still not revised or rather does it depend on where or what serial numbers officially represent revised stock.
Do these issues appear more often in the weighted or non-weighted versions.
I agree, that the Kronos has the most advanced sound producing options right now but, am concerned with the idea that if I do have issues, I'll have to part with the board and cross my fingers regarding proper fixes etc. |
just curious. Since you just bought the XF7, which is the flagship workstation from Yamaha, how would the Kronos fit in ?
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Kronos 88. MODX8
Achieve your musical dreams 
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philmagnotta
Full Member
Joined: 13 Apr 2007
Posts: 132
Location: Rhode Island, USA
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| Posted: Fri Mar 21, 2014 7:14 pm Post subject: Re: new customer...perhaps |
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| GregC wrote: |
just curious. Since you just bought the XF7, which is the flagship workstation from Yamaha, how would the Kronos fit in ? |
Thanks for asking.
Well, as some of you may know, the XF certainly is well built and that goes as well for the internal lay-out and components. The software, as intended is mature and stable as well, the power-supply...an often over-looked device that can make for stable operation in various non-stable electrical supplies is very well designed.
Basically, the XF is a mature Rompler w/sampling and probably a little above average regarding on-board workstation sequencing. However, the synth engine...AWM-2 is a standard affair, apart from the 8 oscillator design which helps a lot with articulation and expression and that is where it ends. Nothing wrong with that per se as a lot of them are in use, nor does it prevent one from being creative and effective within its architecture. Now for me, I have the desire to make use of other types of synthesis, which presently is provided, to a greater degree by the
Kronos in comparison with other off-the-shelf workstations. So, I'd prefer to use the XF's sequencer to talk to both instruments... a potential of 256 voice polyphony-more or less, choose XF voices in places where they are better, which there is no doubt about which ones those are and the Kronos's array of other offerings which are numerous and clearly superior.
Plus the fact that apart from various synth/voice architecture's pluses and minuses, the joy from inspiration of that combo should be very high. Again, I'm not knocking the XF. Its solid and performs well.
I hope that I will not have some of the issues thus far reported with the Motif. |
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GregC
Platinum Member
Joined: 15 May 2002
Posts: 9451
Location: Discovery Bay (San Francisco Bay Area)
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| Posted: Fri Mar 21, 2014 8:13 pm Post subject: Re: new customer...perhaps |
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| philmagnotta wrote: | | GregC wrote: |
just curious. Since you just bought the XF7, which is the flagship workstation from Yamaha, how would the Kronos fit in ? |
Thanks for asking.
Well, as some of you may know, the XF certainly is well built and that goes as well for the internal lay-out and components. The software, as intended is mature and stable as well, the power-supply...an often over-looked device that can make for stable operation in various non-stable electrical supplies is very well designed.
Basically, the XF is a mature Rompler w/sampling and probably a little above average regarding on-board workstation sequencing. However, the synth engine...AWM-2 is a standard affair, apart from the 8 oscillator design which helps a lot with articulation and expression and that is where it ends. Nothing wrong with that per se as a lot of them are in use, nor does it prevent one from being creative and effective within its architecture. Now for me, I have the desire to make use of other types of synthesis, which presently is provided, to a greater degree by the
Kronos in comparison with other off-the-shelf workstations. So, I'd prefer to use the XF's sequencer to talk to both instruments... a potential of 256 voice polyphony-more or less, choose XF voices in places where they are better, which there is no doubt about which ones those are and the Kronos's array of other offerings which are numerous and clearly superior.
Plus the fact that apart from various synth/voice architecture's pluses and minuses, the joy from inspiration of that combo should be very high. Again, I'm not knocking the XF. Its solid and performs well.
I hope that I will not have some of the issues thus far reported with the Motif. |
very ambitious plans.
My humble opinion is that there is a great deal of overlap when you combine 2 mega workstations.
Plus its easy to ' not ' dig under the hood of either when you have 1000's of choices. Some might say, 10,000 choices are wonderful. I think its unwieldy and a simpler flow is best.
The real strength or versatility becomes apparent when you edit and personalize Programs to your style and taste. With 1 workstation, I am inclined to explore , discover, edit, save it to a user bank.
And the Kronos has the depth/breadth of an ocean to travel and explore.
Just my 2 cents
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Kronos 88. MODX8
Achieve your musical dreams
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philmagnotta
Full Member
Joined: 13 Apr 2007
Posts: 132
Location: Rhode Island, USA
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| Posted: Fri Mar 21, 2014 10:19 pm Post subject: |
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GregC:
You do bring up very valid points especially to those who may be starting-out with workstations or lacking experience with multiple hardware synths tied together via midi. I have also many times advised those who wished to pursue that direction when I determined that they were gear lust oriented without solid experience with multi setups. For me, I have worked this way for the majority of years and yes your right, in that, even with just two boards and even if they are working for you, there are as many potential issues but, none-the-less, Its workable for me. About the over lap... that's a definite. Unless Korg would offer stand-alone versions of specific engines in rack-mount, its take the whole package or nothing unless you bring VST into the scheme. Digging in under the hood is a must for me and that is one reason I like the Kronos due to the potential to design with synth engines not available with the XF. The XF sequencer, an important function for me is better than the Kronos. Its certainly possible that after awhile, I might sell the XF if I can do most of what I need with the Kronos. I welcome your comments because they are well reasoned and who knows, you may shed some thoughts that might steer me in the single workstation path. Lets hear some more please
I forgot to ask, Can Karma work with incoming MIDI from external source? |
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GregC
Platinum Member
Joined: 15 May 2002
Posts: 9451
Location: Discovery Bay (San Francisco Bay Area)
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| Posted: Sat Mar 22, 2014 12:28 pm Post subject: |
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| philmagnotta wrote: | GregC:
You do bring up very valid points especially to those who may be starting-out with workstations or lacking experience with multiple hardware synths tied together via midi. I have also many times advised those who wished to pursue that direction when I determined that they were gear lust oriented without solid experience with multi setups. For me, I have worked this way for the majority of years and yes your right, in that, even with just two boards and even if they are working for you, there are as many potential issues but, none-the-less, Its workable for me. About the over lap... that's a definite. Unless Korg would offer stand-alone versions of specific engines in rack-mount, its take the whole package or nothing unless you bring VST into the scheme. Digging in under the hood is a must for me and that is one reason I like the Kronos due to the potential to design with synth engines not available with the XF. The XF sequencer, an important function for me is better than the Kronos. Its certainly possible that after awhile, I might sell the XF if I can do most of what I need with the Kronos. I welcome your comments because they are well reasoned and who knows, you may shed some thoughts that might steer me in the single workstation path. Lets hear some more please
I forgot to ask, Can Karma work with incoming MIDI from external source? |
Hey Phil, good to hear you are skilled and have an ambitious strategy. I don't have any access to Korg plans. I would not hold my breath about any near future release of the various standalone synth engines. I don't see why its in Korgs business interests to distract sales from its flagship workstation. I also recall Korg saying there are no rack plans. To me, no is no.
I agree with you on preferring the XF sequencer. I had the XS7 for about a year. I enjoyed it but did not take full advantage of it. I sold it for simplicity sake plus I felt the voices had been around/widely recorded for over 10 years.
I don't mind digging thru the various tabs , sub menus via the Kronos LCD/navigation. I use a slim $9 stylus for best control. Some folks are unhappy with some of the very small font size. My reading eye sight is holding up so I am ok reading all the fine detail.
I have only recently begun exploring Karma and think its a great tool and far more interesting than the XS Arp patterns. I can't exactly say if you can dive deeply into Karma and control it via another midi keyboard. My guess is no, based on the depth of Karma programming. There are a few regulars here that are skilled at Karma , have been a big help to me. You can post any Karma question in a separate topic.
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Kronos 88. MODX8
Achieve your musical dreams
https://soundcloud.com/user-898236994 |
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