I have a feeling the other Yamaha will have similar problems with the wood, it vibrates less and leaks more. I have a few students breaking all the screw heads off another European brand I will not mention. The key work is pretty nice and the hinge arbors are made with a nice durable material. It is curious the bassoon leaks so much, but the pads are quite well seated and only had to replace the C#trill. sealing the wood did not help the A problem, but helped the bassoon. The bassoon was also leaking through all of the pass rod holes, C# trill hole and the bare wood tone holes in the wing joint, (C# the ring Eb, and the high E and Eb keys). I reduced the size of the tone hole temporarily for the student and will make it permanent if the student likes it.
I sent a video demonstration to Chip Owen of Fox and he agreed that it is probably the A tone hole, and the placement may be a little off. Thanks, good ideas and these are quite often a good solution, but this is a fundamental problem with many Yamaha bassoons. I discovered this measuring my Buffets a week ago. I was surprised that the Buffet bassoons are not completely conical, there is a choke in the bell. I was wondering if there are any diagrams with measurements of bassoon bores, I would love to understand more about the bassoon bore and what works, what doesn’t. I actually forgot to mention the Ab tone hole idea was from reading about bassoon bores and other information at the Fox resource page, lots of great information.Īnyway, anybody with experience that can point me in the correct direction? Maybe the problem comes from eliminating the additional Ab hole without changing the bore? I have read that the Yamahas are a copy of certain Heckel bassoons, (7,000 and 8,000 series?) that most likely had two Ab holes? Maybe that is the problem? A longer, wider, lower voiced reed also helps a little, but not entirely. Using the high A and C vents helps a little to stabilize the pitch as does using the low C# key, but, not entirely. The more expensive models were MORE obvious. I know of at least 4 instruments with this problem and noticed that when I was trying out all the instruments on the floor in Oxford, Ohio, all the Yamaha instruments had a similar problem. I am not sure which models are the biggest problem, the 821, 811 or 812. There is a prevailing problem with many of these horns that is driving me CRAZY! The overblown octave A and Bb are quite unstable ( often quite sharp and quickly go flat when you try to compensate), on many of the horns. I have a few students that own Yamaha bassoons. I posted this message in the wrong location and apologize for not paying attention.
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