Author: jhoyla
Date: 2010-02-07 17:14
Hmm, interesting theory, Mike, about the volume of air being a factor - that has my vote! One of the reasons the oboe is so vulnerable to leaks is the tiny amount of air it takes (when compared, say, to a saxophone or bassoon). When the air-flow is tiny, a tiny leak makes that much difference.
Also, the chudnow staples are likely to seal better - an O-ring will always seal better than a lump of cork, and any gaps at the bottom will be perfectly symmetrical.
You can test your theory by sending a couple of your d12 tubes to Thomas Nissen at oboetube.com. He will recork them with his plastic+O-rings patented corks. That way you'll be able to see whether it is the wider opening or the o-rings that make the reeds sound better on the Bulgheroni.
Regarding getting the tip to close all the way to the top - try a little less tension in the string as you wrap over? It may make a difference. There is a delicate balance between the closing angle of the tubes, the tube tip diameter and the shape of your cane. If it is opening at the top there may be too much closing pressure lower down causing a fulcrum effect half way up the reed. A slightly looser wrap at the top may give the cane a little more leeway.
2c,
J.
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