Professional Bb Baritone, 4 Monel pistons (3+1) - Tune: Bb
- 4 Monel piston valves (3+1)
- Leadpipe in gold brass
- Body material: Brass
- Nickel silver outer slides
- Brass bell diameter: 23.0 cm or 9.05 in.
- Bore: 12.7+13.4 mm or 0.49+0.527 in.
- 2 Water keys
- incl. Mouthpiece silver plated
- Soft case with backpack straps
- Instrument weight: 2.1 kg or 4.63 lbs
- Instrument complete workshop tested