Bass Trombone Mouthpieces - Standard / GP Series - Mouthpieces

Yamaha - Douglas Yeo (GP) Signature Series - Bass Trombone Mouthpieces - Music Elements

Best Brass TB-S-7C Trombone GP – Thomann UK

Bass Trombone Mouthpieces

Yamaha YAC LANDGREN-GP Signature Series Nils Landgren Trombone Mouthpiece with Gold-Plated Rim/Cup : : Musical Instruments, Stage & Studio

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

Griego Bass Trombone Mouthpieces

Yamaha 59L - 管楽器

Yamaha SL48SGP Small Shank Rim Gold Trombone Mouthpiece

Yamaha GP Mouthpiece Trombone 48 GS – Thomann België