BACH-Bass-Trombone Mouthpiece No. 6 1/2AM

BACH-Bass-Trombone Mouthpiece No. 6 1/2AM, depth of cup: medium deep, cup diameter Ø 25.40 mm, rim shape: medium wide, well rounded, throat: .257 inch F, backbore: 413 the same rim, cup, throat, and backbore as No. 6 1?2AM tenor trombone mouthpiece, but with bass shank. 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.