Backbore: #0Very free blowing backbore that allows the orchestral player to use massive quantities of air without losing focus. Commonly paired with either a #24, or #25 throat...
Used Rath R10 Professional Bb Tenor Trombone in brushed raw brass. .500" bore light weight nickel silver hand slide, yellow brass tuning slide, 7.5" standard weight (750) yellow brass bell flare...
Used Rath R1 Professional Bb Tenor Trombone in lacquer. .500"-.510" dual bore nickel silver hand slide, "1A" taper nickel silver leadpipe, red brass tuning slide, 7.5" lightweight (650) red brass...