Yamaha YTR-9335 CHS 05 Trumpet, Bb trumpet@+The Chicago Bb trumpet was developed in collaboration with Chicago Philharmonic deputy principal trumpeter, John Hagstrom. Especially for high-class classical music and jazz musicians, this new model has been added to the Yamaha Artist Model series.@+@+, Artist Series, Chicago model, One-piece brass piece with ""French Bead"" edge Ø: 123 mm, ML bore Ø: 11.65 mm, Wall thickness decreasing towards the end of the bell ensures excellent sound and quick response, The small distance between bell and mouth tube ensures a fast response and a very good feel, MB1 Malone mouth tube for best intonation and response, Monel valves, Silver-plated, Includes 17B4 mouthpiece and compact double case