Conn Connstellation line of professional trombones.

I give you a brief run down of the the coveted Conn Connstellation line of professional trombones. The 28H, 38H and 48H.

[@ronzgarage]

I know I kept saying the 28H is a .482 bore.....it's .484 sorry for my rambling and inaccuracies in bore. Hopefully you get he picture. Awesome trombones by conn from the late 1940's to the early 1970's.