The Bach Standard
The Bach Trombone Small 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: 6 1/2AL, 12C
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Sizes:
- 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.
- 12C - Medium - 24.50 mm - Medium wide. Same size and rim as No. 12 but with a more brilliant, crisp tone. The best selling model for all-around playing.