Identify this sousa (helicon?) neck

[arpthark]

Any idea what this is? No cross-brace, but a reinforced guard wire on the bottom. Was described to me as a neck but it looks like it has a nickel silver receiver, so maybe something for a helicon / not requiring bits...? Fits in a Conn sousaphone receiver. No maker name or number.

[bloke]

Smells like conn.. maybe custom, and maybe custom for an E flat.

If you get your calipers and measure that insertion part diameter, you can check back to the sousaphone neck chart.

[JRaymo]

My Holton Eb helicon has one that looks like that but it about half that size. Same kind of bracing though.


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