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Joined: Sep 2007
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I had an Essex that had quite a few sympathetic resonance problems when new. It took my technician quite a few trips to have them fixed.

Now I have a Steinway K52. It also has quite a few buzzing keys when the humidity drops to 40 or below. They disapprear when the humdidty goes above 55 or so.

Is that a typical Steinway family piano problem?

When the buzzes are fixed, do they tend to come back in a Steinway?


Confucian
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Sympathetic vibrations are common in ALL pianos, not just from Steinway. The cabinet of a piano is vibrating all the time, so anything slightly loose will make noise.

Work with your technician to find an eliminate them - they can be taken care of.


Don Mannino, MPA
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Don,

Thanks for the reply. Does Kawai have the same buzz issues like Steinway?


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Whoa Nelly!
Who says Steinway has buzz issues? Just because yours buzzes when the humidity drops below a level that is generally looked upon as the minimum acceptable for a piano's well-being, doesn't mean that the whole brand has "issues".

Once the problem in your piano is properly solved, there is no reason it should recur.

You may want to start by searching the archives for sympathetic vibration and buzzing. A lot has been written on it. Some of it is even useful! eek


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I just bought an Essex UP123E upright. I have had it for 1 week. It suffers from sympathetic resonance, reverberation and echo issues. After playing notes staccato or chords,(loudly or softly, makes no difference) suddenly taking hands off the keys and using no pedal, a type of sympathetic ringing sounds for about 6 seconds. I felt the strings in the bass bridge and they are still vibrating slightly. This is with the dampers touching the strings. Dampers are be tight against the strings. I have been told that the problem is caused by the dampers not being in the correct position of the strings in order to mute successfully. The other possible cause may be that the hammer strike position in not correct? One other issue may be that the hammers are just too hard. Can any piano techs help out here?


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My Kawai K5 buzzes on days around 70 here in Houston, which tend to be high humidity. In my case, it is the fallboard and it was made somewhat less annoying by sanding down one of the rubber stops so the fallboard makes stronger contact on the other (buzzing) side.

Like others said, pianos vibrate.

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tjbsb,

Here are a couple of things to check on your K-5 which might eliminate the noise:
- There is a wing nut on the right side of the fallboard, inside behind the front panel. If you are able to remove the front panel, check that the wing nut is tightened securely. If you are not comfortable removing the panel, ask your technician to double-check that the wing nut is tight at the next service appointment.
- If moving the fallboard partially closed gets rid of the buzz temporarily, you can apply some Linseed Oil to the hinge gaps, working it in thoroughly by moving the fallboard open and closed many times. This will stop buzzes from loose hinge pins, if that is the cause.


Don Mannino, MPA
Kawai America

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