Yamaha TR-14A4a Standard Series Trumpet Mouthpiece

Trumpet Mouthpiece with Shallow Depth, 16.68mm Diameter, Medium-flat Rim Shape, 3.65mm Throat, and Narrow Backbore

Model No., Rim Inner Diameter (mm), Throat, (mm), Characteristics, TR-11B4-GP, 16.46, 3.65, A somewhat shallow cup and medium rim for extra endurance.

Yamaha - GP Series Trumpet Mouthpieces

Yamaha TR14A4A Standard Series Trumpet Mouthpiece

351 Classic Series Silver-plated Trumpet Mouthpiece with Gold

Yamaha YAC-CR11E4 Cornet Mouthpiece; Short Shank

342 Classic Series Silver-plated Flugelhorn Mouthpiece - 1-1/2C

Yamaha Standard TR-14A4a « Mouthpiece (Brass)

Trumpet Mouthpiece with Shallow Depth, 16.68mm Diameter, Medium-flat Rim Shape, 3.65mm Throat, and Narrow Backbore

Yamaha TR-14A4a Standard Series Trumpet Mouthpiece

Yamaha 14A4 Trumpet Mouthpiece

Yamaha TR-14A4a Standard Series Trumpet Mouthpiece - Silver

Yamaha TR-SHEW-LEAD Bobby Shew Signature Lead Trumpet Mouthpiece