Description
- Bell diameter 450 mm (17,717 inch)
- 4/4
- rotary valves
- Bore of valve section 19,6 mm (0,772 inch)
- spiral spring system
- nickel silver wreath
- Mouthpiece TU21
- Bell diameter 450 mm (17,717 inch)
- 4/4
- rotary valves
- Bore of valve section 19,6 mm (0,772 inch)
- spiral spring system
- nickel silver wreath
- Mouthpiece TU21