intonation repair


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Posted by Dave on February 12, 2003 at 02:05:39:

I got to thinking about the article that is linked below, which Dan Schultz
brought to my attention when discussing bell annealing.

If the claims are true, and it is possible to correct some intonation problems
by 1) locating anti-nodes for problem notes then 2) enlarging the tubing a few thou
either downstream from the anti-node (to raise the pitch) or upstream (to lower
the pitch), then why aren't there a plethora of high-priced instrument repair shops
out there offering the service? Or is it so difficult, and requires such specialized
and expensive equipment, that only a company like Yamaha can actually do it? One
would think that an in-tune instrument would be worth considerably more to a performer
than one which is out-of-tune, as evidenced by the willingness to pay for fifth valves, slide triggers, etc., so if a shop provided a service that could effectively improve
intonation problems, players would come knocking at the door.

-Dave



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