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Re: F Resonance problem

Author: Chris P
Date: 2016-05-22 19:48

It's the forked F vent - not the F resonance key which is a different mechanism entirely. F resonance keys are found on most German spec oboes where a small vent key opens along with the F key.

But in this instance, the forked F vent usually packs up when the pillars move due to changes in humidity causing the F vent and the rocker to bind between them, so have it taken to an oboe specialist repairer so they can refit both the F vent pad cup and rocker key barrels by shortening them by a very small amount so they move freely. The RH3 fingerplate is sprung with a fair amount of tension so when released, it will close the forked F vent (which is lightly spring open).

It's a pretty common problem on the majority of oboes having the forked F vent remain closed instead of opening and closing along with RH3 (while RH2 is open) as there should always be a bit of end play between the pillars on cross mounted keys such as the Eb and low C# pad cups and the lower 8ve rocker to be sure they will function under all conditions.

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

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