Based on the classic design of the American sousaphone, the SP30 is a good lightweight instrument ideal for high school bands.

Specifications

• Bore: 0.73" (18.5mm)
• Bell: 26" (660mm)
• Weight: 20.5 lb (9.3 kg).

Special Features

1. Brass valve set
2. Stainless steel valves with re-inforced nylon guide for smooth trouble free valve action
3. Nickel inner and outer slides
4. Available with ABS case