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Re: Loose A key

Author: kdk ★2017
Date: 2021-08-16 01:36

It's always possible the key sleeve is binding on a slightly bent pivot rod or that the flat spring is binding. Is it doing this when you let the G# key go with it, or only when you hold the G# key up while releasing A?

I had this problem once and it turned out (I've described it here in past threads) that the wood had dried a little from disuse and contracted enough to cause the posts to move closer together, binding the key's movement. I humidified the instrument for a few days by putting a Boveda humidipack in the case and the key action returned to normal. It isn't likely to be a cause on a regularly played instrument, but just something to consider if the instrument has been in storage.

You can file the sleeves slightly shorter if the problem persists, although I'd trust that to a skilled tech, mostly to be sure there isn't a simpler explanation like a binding rod or spring.

Karl

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