| Manny, something I thought I would add is that other than differences in bore size and bell size, all of the stock B models are more or less the same and the differences in the bell size has to do with the taper and flare, not the final diameter at the bell wire. Schilke bells are all 5" at the bell wire.
To my knowledge, the main differences between the X models and the B models are mainly in the bore - B models are all step bore designs, and X models I believe are all straight bore designs. It also sticks in my mind that the stock X models have the #1 Large bell too.
As for the S models, I'm not sure. I could be mistaken, but I think that the S models are built on B model "chasis" only the tuning slide is more square, it has additional bracing on the tuning slide, and there is the cosmetic difference of a ring on the first valve slide instead of a saddle.
__________________ Patrick Gleason
email me at: trickg1@hotmail.com
"What we do in life echoes in eternity"
"At my signal, unleash hell."
- Maximus Decimus Meridius |