Trombone: Brief Description — Vienna Symphonic Library
TOR / Creation & Teaching / Recommended External Content
“Classification
Aerophone, brass wind instrument
Material
Mainly brass, often gold brass; nickel silver (inner and outer slides)
Mouthpiece
Cup-shaped mouthpiece
Tubing
Length approx. 269 cm, mostly cylindrical
Bore
Narrow, inner diameter approx. 12.6–13.9 mm
Slide
Bell
Rim diameter 20.5–22 cm”