Best solo F? pt-16 vs jbl classic vs firebird vs bel canto?

[The Tuba Fish]

For those tube netters who have a wide experience with testing horns, what horn, in your opinion, is the best solo F, out of the choices of a B&S PT-16, a B&S JBL Classic, a Miraphone Firebird, and a Miraphone Bel Canto?