Thanks for the prompt response. The lead pipe on the trumpet is what I’ll use for now, and I’ll get a piece of copper tubing, for a couple of bucks, for more convenient use and portability, in the near future.

Greg,

As an engineer, who had to take and understand a lot of physics and math, I will restate what you said, as I understand it, to see if I am getting the gist of it.

Your lips are vibrating sympathetically to produce a specific pitch. More flow at the same aperture (same length of vibrating membrane) results in higher pitch. Expanding the…[Read more]

Also, can I not just pull the slide out and use the lead pipe on the trumpet?