Trombone

DCS Code: 3D32.43 Last Updated: March 27, 2026
Log in to reserve this demo

Purpose

Demonstrate the dependence of pitch on air column length. The trombone's slide provides continuous, visible length changes with immediate auditory feedback, reinforcing the inverse relationship between tube length and resonant frequency.

Orange pBone plastic trombone with gray slide tubes extended, lying on a gray table
Figure 1: pBone plastic trombone. The slide provides continuous adjustment of the air column length to change pitch.