Best Brass TB-S-9D mouthpiece for trombone, cup diameter O 24,25mm, cup depth: mildly shallow, O 6,40mm throat, small shank, gold plated, standard model for jazz and studio musican, soft and clear sound, similar bach...

Best Brass TB-S-6C mouthpiece for trombone, cup diameter O 25,37mm, cup depth: medium, O 6,80mm throat, small shank, gold plated, the most popular model for brass bands, similar bach 6-1/2AM