YBL-421G Intermediate Bass Trombone
| YBL-421G | ||
|---|---|---|
| Level | Intermediate Bass | |
| Key of | Bb / F | |
| Bore | LL: 0.563" | |
| Bell Diameter | 9 1/2" | |
| Shank | Large | |
| Leadpipe | Gold Brass; Fixed | |
| Body Material | Yellow Brass | |
| Bell Material | Gold Brass; Pluzuma Welded | |
| Weight | Standard | |
| Finish | Clear Lacquer | |
| Inner Slide | Chrome-plated nickel silver; Drawn | |
| Outer Slide | Yellow Brass; Drawn; One-piece | |
| Mouthpiece | 58 | |
| Features | F-attachment | |
| Pistons/Rotors | Single rotor; Hand lapped; Mechanical linkage | |
| Options | N/A | |
