Yamaha YSL-447 GE II, Bb tenor trombone@+The trombones of the Yamaha 400 series are characterized by a wonderful, full tone and an even response. They are easy to play and look just like professional Yamaha trombones. The bell size and bore are identical to those of the 'Pro' models, from which the trombones of the 400 series have also incorporated many handcrafted details. On all models the bell diameter is 214.4 mm and is made of gold brass, which guarantees a warm full sound and plays wonderfully in every concert hall. In addition, these trombones allow an incredibly accurate intonation, a very light traction, a fast response and a pleasant playability.@+The YSL-447GE has a large bore and is suitable for any music style., Pitch: B (English Bb) tenor, Gold brass bell: 214.4 mm (8-1 / 2 ""), L-bore: 13.89 mm (0.547 ""), Inner slide: chrome-plated nickel silver, drawn, Clear lacquered finish, With case and accessories