Bb/F-Trombone mod.ASL-634G, by Arnolds & Sons
L-Bore
Goldbrass bell plasma welded
Reinforced Bell with soldered bead wire
Nickel silver inner and outer slide
Conical handlapped Quartvalve
Shires designed “open wrap” F-attachment
Hand engraving on bell
Traditional waterkeys
Bore: 13,89 mm
Bell: 21,59 cm
Yellow brass lacquered
6 1/2 AL mouthpiece and comfort case
