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Re: Leblanc 350 Eb Contra Alto Extension

Author: jdbassplayer
Date: 2019-09-26 19:35

You mean an octave below low C? That would certainly be unique...

I'm currently finishing up a homemade Boehm system octocontralto clarinet so I would be happy to give you some advice. For the keywork, you absolutely need to learn how to braze (silver solder) before you begin. You can get a basic oxygen-propane torch for $60 from most large hardware stores. I would make the keys out of brass or nickel stock. I would also start acquiring broken saxophones and bass clarinets for parts.

Here's a video I made on making keys on my instrument:

https://www.youtube.com/watch?v=oOjF2vC3oS8&app=desktop

I would recommend you at least make the first prototype out of PVC as it is cheap and easy to work with. What I do is buy more PVC than I need and just start drilling holes until I find the correct location. I then drill the correct holes on another piece of PVC. This method is fairly reliable and avoids a lot of complex math.

Hope this helps.

-Jdbassplayer

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