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

BACH-Bass-Trombone Mouthpiece No. 6 1/2A, depth of cup: medium deep, cup diameter Ø 25.40 mm, rim shape: medium wide, well rounded, throat: .276 inch, backbore: 429 same rim and cup as No. 6 1?2A tenor trombone, but with full bass trombone throat and backbore for a rich, compact sound of large volume. 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.