Schilke MOST 1S-RT Rotary Trumpet

Schilke MOST 1S-RT Rotary Trumpet, Trumpet mouthpiece, Signature Series, Inner cup diameter: 17.43 mm, 23 backbore, Silver-plated, Full and clear sound with excellent evenness over the whole tonal range and in every dynamic range, Equipped with a standard cup depth and the MOST-C Signature backbore, The mouthpiece rim was developed especially for Osamu Takahashi and Toshio Tanaka and lies in terms of contour and grip between rim shape #3 and the semi-flat rim shape #4, Comparable to MOST 1-RT, but with a slightly deeper, funnel-like backbore, Provides a darker and richer tone, Specially developed for rotary valve trumpets