Author: kehammel
Date: 2022-03-04 04:47
This regards Chris P's point about the forked F/B flat correction key (not kerryklari's original question, which was about the oxo ooo fingering for middle space F)
Chris said:
"The majority of Oehler and German systems have a forked Bb/F vent to compensate for the closure of RH3, just as is seen on most oboes.
It's opened/closed by RH2 and is a small vent key on the side of the lower joint which is also closed by the Ab/Eb key."
Using my Albert system clarinet (which lacks this correction), I compared the forked top line F, xxx xox, with the same note played using the dedicated F/B flat key, xxx xx(+key)o. I also compared the corresponding chalumeau B flats. There is a difference in tone quality, but my strobe tuner picks up very little change in pitch.
I know Chris P has previously mentioned that German system clarinets are cylindrical for most of their bore, whereas the Albert bore starts to widen higher up on the bottom joint. Is this difference in bores responsible for how the F/B flat tunes, with Alberts not needing the corrrection? Or do they in fact need it and I'm just failing to detect a difference?
Post Edited (2022-03-04 06:13)
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The Clarinet BBoard
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