 The Oboe BBoard
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Author: Puti
Date: 2012-08-31 10:55
Is the shape of the bore inside English horn similar to an oboe (except for the foot)?
How wide is the top of the English horn bore? Is there a step-like change in the diameter where the air enters from the bocal to the body of the instrument?
I have to ask as I have no access to an English horn to measure it myself. I have a vintage oboe.
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Author: Chris P
Date: 2012-08-31 12:58
I think the bore taper of a cor is less than that of an oboe due to it being a much longer instrument. I'll take some measurements of mine (a Marigaux 930) and post them on here soon.
Former oboe finisher
Howarth of London
1998 - 2010
The opinions I express are my own.
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Author: mschmidt
Date: 2012-09-03 15:51
I think you are right, Chris--I have heard that it is the smaller ratio of bore diameter to length that gives the English horn a darker sound than the oboe. If the large end of the bore is the diameter that is smaller relative to the length, then a straight taper would be necessarily more gradual.
Mike
Still an Amateur, but not really middle-aged anymore
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