Robert / Jaques Robert

Many thanks to Marvin Schurman for giving me the opportunity to review this interesting clarinet.


This clarinet is so very similar to BBrandha’s Jean Marbeau clarinet. I think that the Marbeau was made some years before the J. Robert. I am thinking that both were made by Thibouville.


Serial  #9320

Barrel:  68 mm

Bore LH joint top: 14.5 mm

Bore LH joint at bottom: 14.5 mm

Jacques Robert


Intonation results taken when playing loud and not lipping. See how to interpret these results on the Model Comparison Page.


The original barrel made me too flat. I am using a 65.8 Jean Marbeau barrel instead. For this test, I pulled .8 mm  at the barrel and 1 mm  at the center tenon.


High register


Android nTune


F

3


E

9


D

1


C

4


B

9


B-flat

9


A

12

Mid




G

0


F

1


E

0


D

0


C

-2


B

-9

Throat tones




Bb

-3


A

10


G

11


F

0


E

0

Chalumeau




D

12


C

0


B-flat

0


A

4


G

0


F

-17


E

-15


Intonation summary: This is truly incredible! A hole in the bell might help. Sharpness in the throat tones can be overcome with resonance fingerings. With a little tweaking and wise playing, this is capable of pro-level intonation— even by today’s standards.


Key work quality: OK. Good for this period.


This clarinet is most appropriate for: Anyone wanting a neat antique instrument.


Condition issues noted: none





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