BBb Tuba, Top action: 3 pistons
- Key: Bb
- Top action: 3 pistons
- Body and bell material: Brass
- Bell diameter: 37.5cm (147.64")
- Bore: 15.0mm (0.590")
- Water key
- Mouthpiece: Silver plated
- Included Soft case on wheels with backpack straps
- Case dimensions: 114 x 65 x 52 cm (44.88 x 25.59 x 20.47")
- Instrument height: 100cm (39.37")
- Instrument weight: 7.0kg (15.43lb)
- Workshop tested
- Finish: Clear lacquered