gold brass with moveable parts in nickel silver, double bore: 11,47 / 12,50 mm - 12,50 / 13,10 mm - 13,10 / 13,98 mm
bell diameter: 230 mm, exchangeable Bb valve, short pressure valve mechanism
open or closed wrap, conical slide in gold brass or nickel silver
Options: bells with different rim, cylindrical slide in gold brass or nickel silver |
