Description
- Bell diameter 470 mm (18,504 inch)
- 5/4
- without strap ring and lyre holder
- piston valves
- 5th valve = rotary valve
- Bore of valve section conical 19,6 - 21,2 mm (0,772 - 0,835 inch)
- front action
- vented valves for pressure compensation
- Material of mouthpipe nickel silver
- Mouthpiece TU31
