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Or a reasonable stopgap neck to evaluate sousaphone and helicon.

I kinda figure they are hard to come by, but an effort should be made...

KiltieTuba wrote:Martin Wilk makes them, contact him.

Otherwise you could probably replace it with a Yamaha neck.

Will contact Mr. Wilk. Thanks!

Been meaning to for a bit anyway, and now as summer approaches, i should find time to road trip.

In the mean time, i do believe i have access to a Yamaha sousa, so i may try it out.
If it turns out to be convenient to try, i will.