- March 27, 2015 at 10:08 pm #4522
Several months ago, I tuned and gapped my new Yamaha Pianica P-37D. A few days ago, I opened it up to discover that the reeds were tarnishing noticeably at the spots where I had used the file to tune them. However, the tuning scrape marks from the Yamaha factory tuning job show no signs of tarnishing at all.
Does anybody know why my tuning marks are tarnishing and not the others? Is this something I need to be concerned about?March 28, 2015 at 3:09 pm #4526Alan BrintonParticipant
Maybe residue from the file itself was left on the reeds. If it is merely discoloration, as opposed to corrosion, it seems unlikely to become a problem. I have not seen this with my Pianicas, but next time I take one of them apart I’ll look for it.March 28, 2015 at 6:47 pm #4532LowboyParticipant
Could it be that after tuning at the factory, the reeds are sprayed or dipped in a protective coating, keeping the factory file marks from developing a patina? When you file the reeds, you would be breaching this protective coating and enable oxidation to occur.
LowboyMarch 28, 2015 at 7:26 pm #4533
That’s what I was wondering. I’m really curious if anybody else who has tuned their Pianicas has run into this problem.March 29, 2015 at 5:38 am #4536Daren BanarsëKeymaster
Ive often found that the areas where i’ve been scraping have gone black. It doesnt seem to effect the reed performance or soundMarch 29, 2015 at 2:34 pm #4539
Yeah, that’s what I’m experiencing. Are you using a Yamaha Pianica as well?March 30, 2015 at 7:18 pm #4546Daren BanarsëKeymaster
Yes I am. I like Lowboy’s theory. Perhaps the reeds are coated in an anti corrosive after they’ve been tuned in the factory…March 30, 2015 at 7:38 pm #4547
Thanks for the helpful info, guys!
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