gold brass, movable parts in nickel silver, double bore 13,10 / 13,98 mm, bell diameter 250 mm
in Bb, F, Eb or Bb, F, Gb, German rotary valves with Minibal linkages, short pressure valve mechanism
Variants:
J-762 open wrap
J-764 closed wrap
options:
conical slide in yellow brass or nickel silver |
