Conn 90G valve trombone 3FP

Jan 6, 2008
1. Conn 90G valve trombone 3FP
Photo by courtesy of Craig Lewis. The Conn 90G appears to be one of the very few large bore valve bones ever made. The bell was taken off the shelf from the revered 8H/88H slide trombone model. This 90G model has been discontinued by Conn.