Re: Adding a 5th valve to an Alex F


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Posted by Rich on July 10, 2002 at 09:28:56:

In Reply to: Adding a 5th valve to an Alex F posted by Jeff Baker on July 09, 2002 at 21:18:31:

Jeff,
I think Mira bore sizes run like this: 184=.705, 185=.740, and 186=.770
Now I know Joe Sellmansberger had added 5th valves to instruments, specifically
184 CC. He would be someone I would consult with, along with Matt Walters and
Lee Stofer. You might want to consider where you want the 5th valve. Traditionally,
they are placed before the 1st valve. However, some manufacturers place the 5th
after the 4th valve on rotary tubas and use a little larger bore for lower register
and conical taper. Check out the Gronitz website. You might be able to get a complete
valve/tubing assembly with levers that would work this way. Good luck with your Alex!
Rich


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