Bore: 19.5mm (0.768″)
Bell: 450mm (17¾”)
Valves: 4 front piston valves of Stainless steel
Height: 905mm (35½”)
Weight: 10.8kg (24lb)
The TB550 provides a reasonably priced 5/4 BBb tuba with big full tone ideal to provide bass to any band, while being manageable to handle and easy to play.