Professional Bb Baritone, 4 Monel pistons (3+1)
- Key: Bb
- 4 Monel piston valves (3+1)
- Leadpipe: gold brass
- Body material: Brass
- Outer slides: Nickel silver
- Bell: Brass
- Bell diameter: 23.0 cm (9.05")
- Bore: 12.7+13.4 mm (0.49 + 0.527")
- 2 Water keys
- Mouthpiece: silver plated
- incl. Soft case with backpack straps
- Instrument weight: 2.1 kg (4.63 lb)
- Finish: Clear lacquer