S.E. Shires Custom Series Bass Trombone Main Tuning Slide (Special Order)

S.E. Shires main trombone tuning slides are engineered with a unique, smooth, double-radius design. They combine the best characteristics of single- and double-radius tuning slides in terms of timbre, response, and intonation. Tuning slide models are specified by letters indicating instrument type, material, taper, and whether the slide crook is seamed or unseamed. Instrument type designations S: small-bore tenor trombone T: medium- or large-bore tenor trombone B: bass trombone N.B.: S.E. Shires alto trombones are equipped with a tuning-in-slide mechanism—they do not have bell-side tuning slides.   Alloy Tuning slides are available in either yellow brass, for clear sound and articulations, or gold brass, for warmer sound and more rounded articulations. Deutch German Brass is available for seamed tuning slides only. Many customers have found that a gold brass tuning slide complements a yellow-brass bell, adding warmth to the sound, while a yellow brass tuning slide complements