BACH-Bass-Trombone Mouthpiece No. 4G

BACH-Bass-Trombone Mouthpiece No. 4G, depth of cup: deep, cup diameter Ø 26.00 mm, rim shape: medium wide, sightly rounded, throat: .276 inch, backbore: 429 same rim shape and diameter as No. 4 tenor trombone, a versatile, large diameter mouthpiece especially useful when only one trombone is used for both the upper and very low register. 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.