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Why do I burble from G down?

Author: Chris J
Date: 2010-06-06 10:37

I have just finished overhauling an old German oboe. I had hoped to have had it professionally done but drew a blank finding someone to do it - but that is another story altogether. I have done saxes and clarinets before.

It is fully automatic, a stencil, possibly a 1940s Moennig (as thought by the Moennig company from photos, another story)

I have been playing for 3 months, and playing on a pre Loree Cabart on 47mm cork staple with no problem.

Play testing the German oboe with the same reed, the whole range from the top is no problem. There is an occasional burble at G (second line up) that is easily controlled. The burble really kicks in at D going down. It can be made to stop by really easing off the tension on the reed. I have one reed where the burble is much less evident, and more easily stabilised

I have checked and checked again and find no leaks. What do I look for next?

Do I need to recheck leaks - if so, any likely candidates?
Do I need to change venting of the tone holes?
Is the staple too long - might that cause the burble?

The staple receiver on the Cabart is 18.2mm and the receiver of the burbling German oboe is 17.9mm

What reed should be used for a 1940s Moennig anyway?

I am 2 weeks away from my next lesson, so any information would be gratefully received.

Chris

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Why do I burble from G down? new

Chris J

2010-06-06 10:37