The Bach Standard
The Bach Trombone Large Shank Mouthpiece in Silver has been the standard since being created by trumpet master Vincent Bach. This series of Bach Trombone mouthpiece is available in a variety of sizes to meet the needs of the individual player. The Bach mouthpiece numbering system is arranged in an orderly progression from the largest to smallest diameters numbered from low to high.
Sizes Available: 1 1/2G, 5G, 6 1/2AL
Download a comprehensive guide to Bach Mouthpieces
Sizes:
- 1 1/2G - Deep, well rounded - 27.00 mm Medium wide, .276" 429 A large mouthpiece with powerful tone in the low register and great carrying power. For many years, the standard mouthpiece for the serious bass trombone player.
- 5G Deep - 25.50 mm - Medium wide semi-flat, .276" 429 - Same rim shape and diameter as No. 5 small shank tenor trombone. Similar playing characteristics to No. 4G with a slightly smaller cup diameter.
- 6 1/2AL - Medium - 25.40 mm - Medium wide, well rounded. The same rim and cup as No. 61⁄2A, but with a larger “G” deep throat and #420 backbore for trombonists who strive for a Teutonic tone quality. Recommended for Euphonium players who desire a round, mellow tone of great carrying power and substantial volume.
