Bb / F-Tenor Trombone
- With quart valve
- Professional Series
- Bore: ML: 13.34 mm (0.525 inches)
- Brass bell
- Bell diameter: Ø 214.4 mm (8.5 inches)
- Weight: Standard
- Outer slide made of yellow-brass
- Inner slide made of nickel-silver
- Surface: Lacquered with gold lacquer
- Includes mouthpiece and case
![](https://soundsmag.com/wp-content/uploads/2022/07/yamaha-ysl-640-trombone_62cd66c21b662.jpeg 600w, https://soundsmag.com/wp-content/uploads/2022/07/yamaha-ysl-640-trombone_62cd66c21b662-100x100.jpeg 100w, https://soundsmag.com/wp-content/uploads/2022/07/yamaha-ysl-640-trombone_62cd66c21b662-300x300.jpeg 300w, https://soundsmag.com/wp-content/uploads/2022/07/yamaha-ysl-640-trombone_62cd66c21b662-150x150.jpeg 150w)
Yamaha YSL-640 Trombone
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
4.5