Yamaha YEP642TS Specifications:
- Key: Bb
- Bell Diameter: 300mm (11 4/5")
- Bore Size: 15-16.8mm (0.591-0.661")
- Finish: Silver-plated
- Mouthpiece: SL-51L
- Case: Included
- Body Material: Brass
- Height: 664mm
- 3 upright pistons, 1 side piston, compensating system