For a guide to Bach's mouthpieces, click here to view their mouthpiece manual. Vincent Bach was a rare combination of artist and engineer. He was constantly changing his mouthpiece designs until the mid 1960's when they became more standardized. Models available Model CupDepth CupDia.(mm) RimShape Description 7 Medium 33.25 Mediumwide A large mouthpiece with full, lively tone and a splendid low register, for players with a strong embouchure. Recommended for large-bore instruments. 12 Medium 32.75 Mediumwide Fairly large diameter, producing a big, vivid tone. 18 Medium 32.1 Mediumwide Our best-selling mouthpiece for all-around work. Has an even high register, substantial tone of excellent carrying power. 22 Medium 31.6 Mediumwide Slightly smaller than No. 18. Recommended for use in school bands. 24W Medium 31.25 Wide,well-rounded A versatile mouthpiece with lively tone, suitable for school bands. 24AW Deep 31.25 Wide,well-rounded An excellent mouthpiece
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