TubeNet

YAMAHA YFB-821S to be exact.

Serious buyer. About to just bite the bullet and get from Japan.
Know these are rare but makes sense to take off someone's hand before going through all of that?

There's one at Baltimore Brass right now. It's not on the website yet.

as CC said, BBC has one. I love mine and would never sell it, and they don't come up for sale often for a reason.

https://www.baltimorebrasscompany.com/p ... -tuba.aspx