YSL-620/640 Tenor Trombones with F Attachment

YSL-620 YSL-640
Level Professional Tenor Professional Tenor
Key of Bb / F Bb / F
Bore L: .547" ML: 0.525"
Bell Diameter 8-1/2" 8-1/2"
Shank Large small
Leadpipe Gold Brass Gold Brass
Body Material Yellow Brass Yellow Brass
Bell Material Yellow Brass; Two-Piece Yellow Brass; Two-Piece
Weight Standard Standard
Finish Gold Epoxy Lacquer Gold Epoxy Lacquer
Inner Slide Chrome-plated nickel silver; Drawn Chrome-plated nickel silver; Drawn
Outer Slide Brass; Drawn; One-piece Brass; Drawn; One-piece
Mouthpiece L48 48
Features F-attachment; contoured case F-attachment; contoured case