The Bach Trumpet Mouthpiece in Silver has been the standard since being created by trumpet master Vincent Bach. This series of Bach trumpet 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.

5B* / Medium deep / 16.25 mm / Medium wide, lowered toward the outside. Medium sharp edge. / A precise rim and a fairly large cup. The tone is vivid and full.