Author: jcw
Date: 2011-03-22 22:32
I have just spent a couple of hours working on the various theories and thank you for all your suggestions.
The point about making sure the reed and crook remain airtight is certainly one that I need to keep an eye on. I am airtight when I play, but whether things move or not and cause this problem is possible. However, it seems to me that the leak would need to be considerable to affect things this much.
I was drawn towards the rather complicated top plate for the first finger, left hand. If the key is down but there is a slight leak from the top plate over the hole (I guess the equivalent of not covering top hole properly on the oboe), this results in almost a very weak harmonic coming out. I do wonder if this is what is happening. I think the cork might be quite old. I also wonder if there is any play in the rod, the top plate could go down in slightly the wrong place.
Whilst I had this key off, I then noticed that the pads on the trill keys didn't look great. I removed those and found that they were both very dirty - black gunk on them and the holes were also slightly gunked up. I haven't cleaned the pads. I'm thinking that I might be getting a bit warmer, so it might be time to take it to my repairer again and perhaps be able to point him in vaguely the right direction. Of course, I've had the instrument to him before but he couldn't find the problem.
Wonder if anyone thinks this is likely..................or am I clutching at straws now??!!
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