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Re: Keys below low Eflat suddenly become a semitone sharper

Author: Chris P
Date: 2016-08-10 15:35

Corks can suddenly drop off if they're contaminated with key oil or the adhesive has failed which can happen if shellac or superglue has been used to bond them onto the keys as they're too brittle.

Or if the key hasn't been degreased prior to sticking the cork onto it or the adhesive is of a type that reacts with the silver plating and gets rejected.

If you have plastic or Teflon tipped adjusting screws, on some rare occasions the tips can drop out or in the case of Teflon tipped ones, then Teflon can crumble if subjected to undue pressure.

In a perfect world we'd have metal on metal contact, but that will make oboes sound even more like a typewriter than they do already.

What make oboe have you got? The only ones I can think of that have two adjusting screws on the forked F vent are Selmer USA oboes and they usually have nylon tipped adjusting screws which don't require any other silencing material under them.

But they have square cut nylon tips that can go out of adjustment if they move even by a tiny amount. If you have nylon tipped adjusting screws, have your repairer dome them with a smooth file so they give better and easier adjustment as well as working in any rotation whereas square cut ones may have been cut at an angle and only work best at a certain point of rotation.

Former oboe finisher
Howarth of London
1998 - 2010
The opinions I express are my own.

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