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Piano sounds like it is "locking up"

Posted: Sat Jun 01, 2013 7:38 pm
by rickster1
I have been playing a gig at a local restaurant with a bass player, playing jazz standards with mainly piano sounds. I notice that sometimes when a press a key, it does not sound but instead makes an initial sound followed by what sounds like a deadening. Or, to put it another way, it sounds like the notes are "locking up" when I play them. This does not necessarily happen when I play alot of notes at once; it can happen when I only play a couple notes in succession.
Is this the keybed problem everybody is talking about - I thought that was a different problem.
I have checked all the settings on the control surface; I've tried it with the piano lid up, down, release is set right, etc.
Anyone have any ideas? Is it something in the Global settings?

Posted: Sat Jun 01, 2013 7:58 pm
by pedro5
Are you using the damper pedal a lot ?

I sometimes find that if my foot is just resting on the pedal,it can have a similar effect.

If I play without touching the pedal,or normal use with a proper push (either half or full etc),it plays ok.


Otherwise,it may well be part of the "dreaded" keybed problem.... :cry:

Assuming that your global settings for velocity curve is set at number 9 and you've calibrated the damper,I can't think of anything there that can make much difference.

Posted: Sat Jun 01, 2013 8:41 pm
by Stipes Vigilo
If you happen to have your keyboard hooked to a computer/daw and it's on; then you might check to make sure the track it's coming in on is not set to omni as this can sometimes create a MIDI echo that will make the notes stack up.

Similarly, any thing that hooks up to its MIDI in a complete loop may do this too.

Posted: Sat Jun 01, 2013 11:11 pm
by Diego5150
[quote="pedro5"]Are you using the damper pedal a lot ?

I sometimes find that if my foot is just resting on the pedal,it can have a similar effect.

If I play without touching the pedal,or normal use with a proper push (either half or full etc),it plays ok.


I have had the same issue with the damper pedal myself and I have a Kronos X. Hopefully that is the simple fix and the keybed issue.

Posted: Sat Jun 01, 2013 11:50 pm
by pedro5
I should have said "half peddling" rather than half way.... :oops:
In other words,a positive movement downward from the off position.

Resting on the pedal seems to provoke duff notes sometimes,which doesn't happen with a real piano due to it being a mechanical device,as opposed to electronic ones.
Perhaps a different playing technique could provide a cure.(Difficult in practice,maybe,but worth trying if the symptoms are troublesome especially with live performances).

Posted: Sun Jun 02, 2013 12:36 pm
by Ojustaboo
pedro5 wrote:Are you using the damper pedal a lot ?

I sometimes find that if my foot is just resting on the pedal,it can have a similar effect.

If I play without touching the pedal,or normal use with a proper push (either half or full etc),it plays ok.


Otherwise,it may well be part of the "dreaded" keybed problem.... :cry:

Assuming that your global settings for velocity curve is set at number 9 and you've calibrated the damper,I can't think of anything there that can make much difference.
Is that with the korg pedal?

I had odd things when using a Roland damper but since getting the Korg it's been perfect.

Posted: Sun Jun 02, 2013 1:00 pm
by rickster1
Thanks for replies, guys .. I'm not using a Korg pedal...the pedal says "On Stage Gear" on it. I told the dealer when i bought my Kronos 73 that I wanted a pedal with it and that is what they gave me. This was Feb. 2012.
Is it possible an after-market damper pedal could cause the piano to sound like that?
BTW, I don't have my foot on the pedal so I don't think pedaling is the issue here.

Posted: Sun Jun 02, 2013 3:30 pm
by rickster1
Further testing reveals -
It's not just piano sounds but all sounds -
If i play three notes in succession, for example, A, B then middle C, the C sounds "dead" ...no sustain .. about half the time, sometimes the B too.
If I just play the C by itself repeatedly, it sounds OK all the time. It's when I play several (at least two) notes in succession that I run into problems. The first note always sounds good.
Is this the keybed problem?
I unplugged the sustain pedal and it still acts this way - don't think the pedal is the problem.
Thanks for all responses -
Rick

Posted: Sun Jun 02, 2013 3:40 pm
by SanderXpander
Doesn't sound precisely like "the" keybed problem but it's certainly A problem. Sorry to say, but bringing it in for service is probably your best shot right now.

Posted: Sun Jun 02, 2013 3:55 pm
by rickster1
I was just reading through some of the "keybed problem" posts and they are talking about a "cutoff issue" - this sounds like what I'm experiencing. Maybe "cutoff" is the note sounding but sounding dead and not sustaining?
Thx for response SanderX and all -

Posted: Sun Jun 02, 2013 4:28 pm
by MarPabl
Confirmed, you have the keybed issue :(

Take the Kronos to service center to get it fixed. Ask them how much time they need to get the replacement parts and if the time is (likely) huge, ask them to keep yourself the Kronos until they get the parts.

Posted: Sun Jun 02, 2013 5:27 pm
by Ojustaboo
Here's what the cuttoff sounded like on my original Kronos

https://www.youtube.com/watch?v=6hHV-p8Z4_w

Posted: Sun Jun 02, 2013 7:19 pm
by pedro5
It does seem that it's the keybed problem....the only answer is to have it repaired.

I've tried to replicate what my own findings were regarding the damper pedal position......would you believe....I can't do so in the way I described.....
I know I have had this "problem" at one time or another,but for now, shall put it down to technique....or the lack of a proper one, in the past.... :)

Incidentally,I'm using the Korg DH1 pedal and as far as I know is working correctly.

Good Luck.

Posted: Sun Jun 02, 2013 7:23 pm
by rickster1
I called the dealer in Savannah GA that I bought it from and he says the nearest repair center is Wizard electronics in Atlanta.
Has anyone dealt with them ?

Thanks for response Pedro and Ojustaboo...but your video wouldn't load for some reason. Still trying.

Posted: Sun Jun 02, 2013 9:13 pm
by Ojustaboo