BACH-Bass-Trombone Mouthpiece No. 1 1/4GM

BACH-Bass-Trombone Mouthpiece No. 1 1/4GM, depth of cup: deep, cup diameter Ø 27.50 mm, rim shape: medium thin, well rounded, throat: .319 inch, backbore: 800S same rim and cup as No.1 1?4G, but with a larger throat and backbore for large, powerful sound, well in tune. These mouthpieces were developed by Vincent Bach during the past 50 years in order to match all imaginable requirements. The mouthpieces are characterized by volume and mood, easy response, consistent sound and a precisely calculated resistance in order to increase the endurance of the blower. Therefore, they are bought around the world and used almost exclusively by the best musicians.