The Thomann Bb-Valve Trombone helps you bring out the colours in your playing ensemble. This trombone has a brass body that makes the most of its acoustic capabilities to produces a nice resonant sound. The 204mm brass bell gives the sound a soothing softness on the sharp high end. This trombone has a bore size of 12.30mm that projects the sound equally to help the audience hear even the slightest of nuances in the sound correctly. The three Perinet valves allow you to play the notes in the music sheet precisely. This trombone is coated with a clear lacquer finish that gives it a luxurious look.