Musical Instrument Accessories

Yamaha Mouthpiece Trumpet 18C4 Yamaha Mouthpiece Trumpet 18C4, Mouthpiece for Trumpet, Model No. 18C4, Standard series, Inner diameter: 17.42 mm, Rim contour: Medium-round (semi-flat), Rim thickness: Standard, Cup depth: Medium (standard), Bore: 3.65 mm, Backbore: Semi-narrow,... Yamaha Mouthpiece Trumpet 18C4