Here's my list so far, and I'm sure I'm missing a bunch of stuff:
Conn 2J/3J
Conn 52J, 54J, 56J
Conn rotary CC (Geib model)
King Bell model rotary CC
Holton 345 CC (there were a few built at the factory in CC, right?)
York 6/4 (CSO/Jacobs)
York 4/4 CC (basis of the PT-606)
Getzen G50 (as well as the CB-50 and Stofer CC tuba)
Kanstul 902 (3/4)
Kanstul 90 (4/4)
Kanstul 5490 (5/4)
What's missing from this list? I think there was another Conn CC that was the basis for the Rudy Meinl 4345, right?
Was there ever a 6/4 Conn CC?
Was there ever a piston King CC?
Any Martin CC tubas? Buescher?
Other defunct brands?
Thanks!





