Student Trombone Vertical Key Marching Trombone,B- Flat Tube,Bb- Tuned Marching Trombone Musical Ins Trombone Kit

Its excellent sliding action can achieve smooth note changes in all ranges, and its small holes make it an ideal instrument for beginners or jazz musicians.
Safe and non-toxic: Lead-free solder adopts environmentally friendly and sanitary lead-free soldering technology. Lead-free solder is non-toxic and harmless, natural and environmentally friendly.
Tone:Вb
Yellow brassOuter pipe:
Bell mouth: Yellow brass
Size: Inner tube12.4mm,caliber203mm
Craft: Lacquered gold
Characteristic: The intonation tone is very good Has a very strong penetrating power and expressive power
Design for:Test/ Professional Performance
Brass Piston Tube: It not only improves the durability, but also improves the sound effect, but also improves the air density, flexible sliding, and long service life.
High- quality brass bell mouth: Using improved paint technology, bright color, wear resistance and good adhesion. Does not affect the tube wall vibration. Normal use and maintenance to maintain bright color.
Comfort button: The layout of the buttons is reasonable and comfortable to operate, and the performance is handy, effectively preventing hand slip and reducing unnecessary mistakes in the performance.
Nickel- plated spring drain valve: High hardness, not easy to fade,durable.
Easy to sound from science: According to aerodynamics, it calculates airflow,resistance,strength, and pressure, and adopts fine numerical control design. Every arc is refined to reduce air resistance After mastering the technique, even a very small child can easily sound.
Safe and non- toxic lead- free soldering: Adopt lead- free soldering technology, environmental protection and sanitation Lead- free soldering is non- toxic and harmless, natural and environmentally friendly.
If the instrument fails due to a manufacturing defect, as long as you own the instrument and have the proof of purchase, we will provide you with parts for free.