Key : Bb/F
Bore : .547” / 13,89 mm
Bell : Hand hammered one piece bells (yellow, gold brass, sterling silver) 8.46" / 215 mm
Outfit : Deluxe contoured case in vegetable fibers, mouthpiece (Antoine Courtois 6 1/2 M-Michel Becquet model), slide grease, cleaning cloth
Finish : Clear lacquered
AC420B-1-0 : Closed wrap standard rotor, standard yellow brass slide with nickel silver sleeves, one piece yellow bell