What is the resonator of a trumpet?

[chem_is_lovex]

Homework Statement

what is the resonator of the trumpet?
A resonator is the part that vibrates at the resonant frequency.

Homework Equations

---

The Attempt at a Solution

my friend said it was the air inside the tube, but I thought it was the tubes.

thanks

 

[diazona]

I would imagine you could look this up somewhere... (for wind instruments in general, I've heard that it's the air that is most responsible for the sound, but I couldn't cite you a source off the top of my head)