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Re: Regulating E/B anF/C keys

Author: clarnibass
Date: 2020-11-09 12:58

For clarinets with a crow's foot (which yours seems to be), Paul's explanation is pretty good, but to add a bit more...

There is almost never a reason not to correct this by bending (or bending back, if you prefer).

Something to consider and check is how much it needs to be raised, and how that compares with the adjustment between the left pinky F/C lever and the F/C key.

If you raise the crow's foot by more than the gap between the the foot and E/B and F#/C#, then this will create a gap between the F/C lever and key (or increase a gap that already exists).

It might be a simple case and raising the crow's foot will put everything in place. More often than not this doesn't happen. It's a combination of the crow's foot, E/B and F#/C# height and F/C lever to key, that need to all be adjusted.

Some clarinets have adjustment screws for the left hand F/C lever which makes it easier.

Another important thing...

>> Just wedge your thumb under the crow's foot and press against the "C" cup simultaneously (you'll have to do this just enough to bend a little but not bend the cup too far down). If however the "C" cup now hits too soon, just push down on the right hand "C/F" key until you reach the point where both the C and B cups come down together. <<

If you press and bend the key so it is exactly in adjustment, the metal will be unstable and will spring back slightly very soon after, ruining the adjustment. It needs to always be bent and then bent slightly back, with specific amount of force, so it is stable after the bend. The adjustment needs to be accurate in this stable condition.

Post Edited (2020-11-09 12:59)

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