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 Leb LL- Polycyl or cylindrical?
Author: sinkdraiN 
Date:   2003-11-03 14:03

I have a Leblanc LL. Is it polycylindrical? What does the bore shape mean in terms of tone etc... I see that the Pete Fountain horns are not. Does cylindrical clarinets play louder or brighter?

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 Re: Leb LL- Polycyl or cylindrical?
Author: Don Berger 
Date:   2003-11-03 21:40

Since the LL's came from the 60-70's period, and my L7 [cyl by my measurements] from the 70-80's, and Buffet's polycyl? bores [1955? +] prob. had [FR] patent protection, I believe its safe to say that yours is cylindrical. Why dont you measure it, top and bottom of the UJ should tell, it is a VERY slight, measured diff. Polycyl might be distinguishable on inspecting a shiney bore! HELP! As I understand its purpose, to "put the 12ths [clarion notes] in better tune" again the diffs are so slight as to be hard to measure. To me, the "nominal" bore diameters [from 14.6 to 15.0 mm] have greater influence, in the tonality character [timbre] of the cl. Read what our "good books" have to say , Rendall, Brymer, Lawson, Benade, Gibson, etc, it IS complex. Again, others please HELP. Don

Thanx, Mark, Don

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 Re: Leb LL- Polycyl or cylindrical?
Author: Henry 
Date:   2003-11-03 21:55

Yes, Don, you are right. The LL has a cylindrical bore (14.80 mm or 0.582" diameter).

Henry

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 Re: Leb LL- Polycyl or cylindrical?
Author: snjshipley 
Date:   2003-11-03 22:03


I have a Leblanc LL cylindrical bore of 14.80 mm (about 1967 vintage).
To my ear, it is somewhat brighter and louder than my Buffet C-13 polycylindrical bore at 14.65 mm (nominal). I find the LL very smooth and mellow for pop/swing/jazz music.

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 Re: Leb LL- Polycyl or cylindrical?
Author: diz 
Date:   2003-11-05 02:02

Don Berger ... you are, certainly, the thinking man's clarinetist

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 Re: Leb LL- Polycyl or cylindrical?
Author: Don Berger 
Date:   2003-11-05 16:06

Diz, TKS, flattery will get you Every-where. Don

Thanx, Mark, Don

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