Martin tuba tuning bit

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saxophyte
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Martin tuba tuning bit

Post by saxophyte »

Does anyone have a pic of an original Martin Mammoth tuba tuning bit?


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bloke
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Re: Martin tuba tuning bit

Post by bloke »

You can send me a picture of yours, and I'll try to correctly let you know whether it's what you have.
I'm fairly sure that the insertion portion is (not tapered, but) cylindrical...(??)

...but here's a picture of a pair that I found months ago, and posted in another thread:

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MartinMan
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Re: Martin tuba tuning bit

Post by MartinMan »

Here's a picture of a set of both bits:
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Doc
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Re: Martin tuba tuning bit

Post by Doc »

I like the set screws.
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bloke
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Re: Martin tuba tuning bit

Post by bloke »

If I'm correct about the insertion being cylindrical, they wouldn't work very well without those screws.
Doc wrote: ↑Fri Jun 18, 2021 12:12 pm I like the set screws.
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saxophyte
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Re: Martin tuba tuning bit

Post by saxophyte »

thanks for the pics
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Doc
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Re: Martin tuba tuning bit

Post by Doc »

bloke wrote: ↑Fri Jun 18, 2021 1:31 pm If I'm correct about the insertion being cylindrical, they wouldn't work very well without those screws.
Doc wrote: ↑Fri Jun 18, 2021 12:12 pm I like the set screws.
Makes sense. Either way, I like the idea.
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York-aholic
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Re: Martin tuba tuning bit

Post by York-aholic »

Yes, the tenons are cylindrical rather than tapered on Martin bits.
Some old Yorks, Martins, and perhaps a King rotary valved CC
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