Professional alto trombone in Bb key with balanced ergonomics and clear, warm tone. Constructed from brass with a gold lacquer surface option and a cupronickel piston slide, this instrument delivers responsive playability and reliable intonation for students and performing musicians alike. Key benefits Balanced feel and reduced fatigue: a counterweight ensures even weight distribution for greater comfort during long practice sessions and performances. Smooth slide action: the cupronickel piston slide provides a fluid transition between notes for responsive and effortless playing. Warm, clear Bb tone: brass body and 208 mm bell diameter produce a wide, warm sound with a bright edge suitable for a variety of musical styles. Durable, attractive finish: brass construction with gold lacquer surface provides an appealing appearance and consistent intonation. Versatile design: B key instrument style blends the characteristics of alto and Bb instruments to deliver a rich, fullbodied sound. Specifications Colors: Brass Gold, Silver Material: Brass Surface material: Gold lacquer Piston slide: Cupronickel Tone: Bb, B flat Bell diameter: 208 mm Item weight: 1170 g, 2.6 lb Package size: 96 cm x 31 cm x 31 cm Package weight: 3040 g Note: Glove type will be sent randomly Typical applications Orchestral and chamber rehearsals: reliable intonation and a balanced, projecting tone make this instrument suitable for ensemble work. Solo practice and lessons: smooth slide action and comfortable balance support extended practice and technical development. Studio and live performance: the instrument's warm timbre and responsive articulation work well across classical, jazz, and contemporary settings. This alto trombone is designed for players seeking a professional Bb instrument that combines comfortable handling, solid build quality, and versatile tonal character.