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What model of Mirafone 4U CC tuba, manufactured around 1965, had close to a 0.75" (19mm) bore and a 16" bell?

(Approximate)
14" bell should be a 184
15" bell should be a 185
16" bell should be a 186

Sounds like a 186 to me.

A semi-related question, what other CC tuba models was Miraphone manufacturing in 1965? Were they making the 184 or 185 around then?

b.williams wrote:What model of Mirafone 4U CC tuba, manufactured around 1965, had close to a 0.75" (19mm) bore and a 16" bell?

You have it in your signature! Actually,the bell should be
16 1/2".

scottw wrote:

b.williams wrote:What model of Mirafone 4U CC tuba, manufactured around 1965, had close to a 0.75" (19mm) bore and a 16" bell?

You have it in your signature! Actually,the bell should be
16 1/2".

That is the issue. The bell is 16" and from what I have read the bell of the older 186s is usually 16.5". I thought that maybe in the 1960s the bell was a little bit smaller and that someone has/had or owned/seen a similar tuba. I also thought that maybe the bell is from another model. Hence, my question.

b.williams wrote:

scottw wrote:

b.williams wrote:What model of Mirafone 4U CC tuba, manufactured around 1965, had close to a 0.75" (19mm) bore and a 16" bell?

You have it in your signature! Actually,the bell should be
16 1/2".

That is the issue. The bell is 16" and from what I have read the bell of the older 186s is usually 16.5". I thought that maybe in the 1960s the bell was a little bit smaller and that someone has/had or owned/seen a similar tuba. I also thought that maybe the bell is from another model. Hence, my question.

The bells on the early 186 model horns were a bit smaller... maybe closer to 16" but certainly not any smaller. I know that the replacement Miraphone bells are enough larger that they won't fit in the original case... maybe closer to 17".

Does your bell have the Miraphone logo with a serial number under the 'triangle'?

The bells on the early 186 model horns were a bit smaller... maybe closer to 16" but certainly not any smaller. I know that the replacement Miraphone bells are enough larger that they won't fit in the original case... maybe closer to 17".

Does your bell have the Miraphone logo with a serial number under the 'triangle'?[/quote]

Yes it do.

I have a 1960s Mirafone 5U 186 serial #1507. The bell measures 16 7/16.
It is a great horn and during those years this model had the larger bore lead pipe.
The horn is all origional as I bought it from the first owner. Maybe you have the 4 rotor version.

FYI: After consulting with Miraphone directly, the horn is a 4U CC-185. Thank you all for your input.

Update your sig!

pgym wrote:Update your sig!

Ooops!! My bad.