263610jpg.jpg Bach mouthpieces are designed to meet every conceivable playing need and have been for nearly three quarters of a century. A Bach mouthpiece will make a poor instrument play well, a good instrument play better. Volume and excellent intonation, ease of response in the high and low register, rich, uniform timbre throughout the range, and resistance calculated to increase the player's endurance - these characteristics explain why the best professional artists choose Bach. 3 Medium cup depth 17.60 mm cup diameter Narrow rim shape. A large mouthpiece for great volume of tone, especially in the low register. 7 Medium cup depth 17.25 mm cup diameter Narrow rim shape. Fairly large size, for a strong embouchure. 7S Medium cup depth 17.25 mm cup diameter Narrow rim shape. Same as No. 7 but with larger throat and backbore. Freer blowing, darker sound. 10 Deep cup depth 16.80 mm cup diameter Medium wide rim shape. This cushion-rim model produces the German romantic horn tone, rich in volume, beautiful in quality. A player having no difficulty with the high register should use this model. 10S Deep cup depth 16.80 mm cup diameter Medium wide rim shape. Same as No. 10 but with larger throat and backbore. 11 Medium cup depth 16.55 mm cup diameter Medium wide rim shape. Bach's best selling model, with cushion rim and brilliant heroic tone. Players who do strenuous work prefer this model. 12 Medium cup depth 16.50 mm cup diameter Narrow rim shape. This rim gives greater flexibility to players with a rather delicate embouchure. 15 Medium cup depth 16.30 mm cup diameter Narrow rim shape. Medium small. For players with a rather tender embouchure but who nevertheless want a good volume of tone. 16 Deep cup depth 16.25 mm cup diameter Medium wide rim shape. For players with sensitive embouchures who strive for a pure, solid, romantic horn tone. 18 Medium cup depth 16.15 mm cup diameter Narrow rim shape. A small mouthpiece. Requires little strength to fill. Well suited for weak lips. Bach French Horn Mouthpiece Insist On a Genuine Bach Mouthpiece Bach mouthpieces are designed to meet every conceivable playing need and have for nearly three quarters of a century. A Bach mouthpiece will make a poor instrument play well, a good instrument play better. Volume and excellent intonation, ease of response in the high and low register, rich, uniform timbre throughout the range, and resistance calculated to increase the player's endurance - these characteristics explain why the best professional artists choose Bach. Because Bach mouthpieces are the accepted standard of quality, their numbers are familiar everywhere as designations for certain models and types. Although Bach mouthpieces have often been copied, they have never been equaled for precision, tuning, and playing characteristics. Only genuine Bach mouthpieces bear the full inscription VINCENT BACH with one of the model numbers.