Yamaha's Intermediate 421G model bass trombone features many of the qualities of our top pro models, yet is available at a surprisingly affordable price. It has the same bell and bore size as most pro models, and the bell is gold-brass for a sound both rich and full.
Specs
| Model | YBL-421G |
| Key | Bb/F |
| Bell Material | Gold brass |
| Bell Diameter | 241mm (9 1/2") |
| Bore Size | LL: 14.3mm (0.563") |
| Outer Slide | Nickel Silver |
| Inner Slide | Nickel Silver |
| Finish | Clear lacquer |
| Mouthpiece | BL-58L |
| Case | Included |