 The Oboe BBoard
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Author: HautboisJJ
Date: 2011-03-24 15:21
Is there a book with at least chapters dedicated to the adjustment of the Cor? To me it seems like one cannot treat the cor like an oboe even in this aspect. There are so many mechanical differences in terms of placement and keys that dont exist on the oboe anyways. Any ideas? Thanks!
Regards,
Howard
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Author: Chris P
Date: 2011-03-24 17:29
Your biggest difference with cors (and d'amores) is the arrangemen of the F vent mechanism and that can differ from make to make - some have a simplified F vent that closes under its own spring tension once both RH 2 and 3 are closed together, most pro instruments have an open F vent that has a floating rocker so it can be closed independently by the low C key yet the RH2 pad can remain slightly open (and also fully closes when RH 2 and 3 are closed together), some have a simple open standing F vent that closes with RH2 (as on thumbplate system oboes) and some have the closed F vent as on conservatoire system oboes. So when adjusting the RH main action you will find yourself going round in circles.
Other things cors and d'amores will have are the split top plate (or a fixed top plate on some older thumbplate models) and the A vent - otherwise the keywork and adjustments are like that as found on oboes, but may be placed differently on account of the construction.
You won't have the side G#-A trill key on d'amores and cors, so the LH3 key will stop against the body either with a plain cork or an adjusting screw depending on the maker's preferrence.
Former oboe finisher
Howarth of London
1998 - 2010
The opinions I express are my own.
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The Clarinet Pages
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