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 | |
