The J680 4 Valve 3/4 BBb Concert Tuba features a .670-inch bore with 4 front action piston valves designed for player comfort and excellent tone. The J680 also features a 14.5-inch upright bell with superior resonance. The J680 Series 4 Valve 3/4 BBb Tuba includes a case and mouthpiece and is available in lacquer (J680L1) finish. |