Professional Series, Key: Bb/F/Eb & Bb/F/D, Bore: LL: 14.3mm (0.563"), Bell: Gold-brass, 241.0mm (9 1/2"), Weight: Standard, Outer slide: Nickel silver, Inner slide: Nickel silver, Finish: Gold lacquer
Yamaha Professional model bass trombones have been created in cooperation with some of the world's greatest musicians. They play evenly and comfortably in all registers, and feature a warm yet commanding tone. The intonation and playability are superb for a truly 'state-of-the-art' bass trombone. The YBL-620G features a dark rich tone with powerful projection. The outer slide is nickel-silver for durability and the valves are in an offset configuration.