Disklavier

Robert:

I believe I'd try a different tech and be sure to tell her/him your 
specific concerns. Try to choose a tech recommended by a satisfied 
customer..  The problem you described could be caused by a variety of 
simple-to-solve problems: basic tuning, uneven string level, warped 
hammer shanks, strike point, etc.  Since you were happy with its sound 
two years ago, I doubt that a major re-voicing is order.  If there are 
several hammers that are too hard or too soft, they can be needled or 
filed to restore a pleasant tone. As you have noted, a loose part can 
sometimes resonate and so can objects in the room such as baseboard 
heaters. Skilled techs are good at detecting and correcting such buzzing.

rrl_edm wrote:

>My Disklavier MX-1PE (Mark II XG Series) 48" upright is within a 
>week or so of its 2-year anniversary.  I've been very satisfied with 
>the piano and hope to eventually set up to a Disklavier grand model, 
>perhaps a Mark IV.
>
>Since the piano arrived in my home in Dec 2003, I've had the Yamaha 
>recommended RPT over 4 or 5 times, including the Yamaha Service 
>Bond.  Although the RPT tunes the piano and runs the Maintenance 
>Mode, he has never performed any voicing work.  Is this normal?  
>Perhaps voicing isn't required on such a new piano?
> 
>To my ear, I find a few notes in the lower end have a bit 
>of a "Boing", for lack of a better word.  Also, I find that on a few 
>notes, that if held down, have a slight sitar like character that 
>kicks in after the initial sound of the hammer hitting the strings 
>subsides.  That is, the after-tone seems a bit fuzzy as opposed to 
>being completely crisp and clear.  Is this normal?  Perhaps holding 
>down a key indefinitely is not a reasonable test?  I've yet to visit 
>my dealer to give a few other pianos the same critical listening 
>tests.
>
>On a few occasions, I initially thought that maybe something was 
>slightly loose inside the Disklavier, but after taking the access 
>covers off and listening carefully, I've concluded this is not the 
>case.  Also, I've verified nothing is loose.
>
>For some reason, overall, I find the piano doesn't sound quite as 
>good as it did in the first year.  I can't explain why I feel this 
>way and it may simply be that my initial excitement has subsided 
>somewhat. Perhaps I'm only imagining this, or that the piano is now 
>simply settling in and taken on a slightly different character.  
>Then again, maybe a different tuner would deliver a different result 
>that fits better with my ear?
>
>To appreciate is that I'm very critical and these issues may be nit 
>picky.  Also, this is the first acoustic piano I've owned and maybe 
>the issues I've encountered exist in all acoustic pianos.  However, 
>should I consider trying another RPT?
>
>Robert
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-- 
Robert Welcyng
Anchorage, Alaska