Full-size, symphonic 4-rotor tuba suitable for various genres, from wind band to orchestra. This is a European-style 4-rotor B♭ tuba, commonly used not only in orchestras but also in wind bands. The inclusion of the 4th rotor allows for playing in the low register and also enables pitch correction using alternate fingerings. This tuba is perfect for wind bands, brass ensembles, and even for those looking to venture into orchestral playing. 【Product Condition】 There are some scratches and small dents due to aging, but there is no critical damage that would hinder playing, and it is still a usable tuba! The rotors have been adjusted and the slides have been lubricated for this sale. Each action is smooth, and the sound production is good! Accessories include a dedicated case and a mouthpiece. The case zipper is broken, so please consider it for transportation purposes only. Please check the photos carefully and consider that this is a used item. ■Features A 4-rotor B♭ tuba developed with the ability to be used in wind bands in mind. The addition of the 4th rotor expands the low register and allows for pitch correction using alternate fingerings. It has a calm tone different from piston tubas, and the clear sound transitions unique to rotary valves are attractive. ■Material The bell, mouthpiece pipe, and main parts are made of bright and vibrant brass. The ferrules (rings) connecting the large tubes, the guard on the 1st slide, and the outer slides are made of nickel silver, which creates moderate resistance. Combined with the tubing's winding, which is designed for moderate resistance, it produces ease of playing and a bright sound. ■Finish Clear lacquer finish, which best suits brass instruments. The sound has a quick response and a clear tone. ■Rotary Valves (System) Employs a 4-rotor system. The inclusion of the 4th rotor allows for playing in the low register and also enables pitch correction using alternate fingerings. The levers are made of brass with nickel plating. The lever action is ball-bearing type. ■Slides The inner slides are made of brass, and the outer slides are made of nickel silver, which is durable and creates moderate resistance. ■Bell The bell's curling uses a non-wire beat, making it easier for beginners to monitor their own sound. Key: B♭ Valve System: 4 Rotary Bore Size: Approximately 20.80mm Bell Size: Approximately 420mm Finish: Clear Lacquer Total Length: Approximately 103cm