Author: Craig Matovich
Date: 2007-08-06 21:48
But, after lots of tries, and very careful work readjusting the mechanism, I dicovered two things:
1) Some bore oil contamination of the middle joint corks.
2) A replacement cork on low C was too big.
I fiddled with resonance keys, overall adjustments, etc., and would get a decent sound for a few minutes, then the hazy weak low and middle D would happen again.
I re-read Larry Naylor's paper on blown out oboes and was pretty convinced I had that problem. ( BTW, he is a wonderful repair guy,... saved my playing life a couple years back. He really does a great job.)
Then, I removed the oil using Avon Oil removing pads ( left under auto-closing pads overnight), removed the low keys to get at the f resonnance,c#, c, e-flat pads to inspect them, then sanded down the low C and put it back together and BAM! Its playing like it did 20 years ago.
Lesson here, beware the odd pad replacement. If its even very slightly too thick, bad things can happen.
This really had me chasing my tail for a long time. I am glad it is resolved and wonder now about the proper pad clearance distance on various pads...
Chris P, others? Any wisdom to share here?
Post Edited (2007-08-06 21:54)
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