Bach Large Shank Trombone Mouthpiece

The history of Bach starts with mouthpieces. A century ago, trumpet player Vincent Bach began experimenting with designs and manufacturing processes to replace a broken mouthpiece. Soon after, Vincent Bach’s mouthpieces, and later his trumpets, set the standard for excellence.

Bach continues that standard today through constant innovation and dedication to the craft. In the Bach workshop, crafting a mouthpiece begins with innovative, yet classic designs and is then carved by a computer-numeric-controlled machine that shapes and cuts solid brass bars. Each step is precise within one ten-thousandth of an inch.

Because no two players have the same lip or tooth formation, what is perfect for one player may be entirely unsuitable for another. Bach produces thousands of different combinations of rims, cups and backbores so that each player can find the best mouthpiece for their individual embouchure.

ModelCup DepthApprox. Cup Dia.Rim ShapeThroatBackboreDescription
1GDeep28.00mmMedium thin, well rounded..319"800SExtra large and deep for extraordinary power and depth of tone. Among the largest and most powerful bass trombone mouthpieces produced today.
1-1/4GDeep27.50mmMedium thin, well rounded..276"429Cup diameter is smaller than No. 1G, but still very large and deep, with the sonority preferred by the modern American school.
1-1/2GDeep27.00mmMedium wide, well rounded..276"429A 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.
2GDeep26.75mmMedium narrow..276"429Deep, full, resonant tone. Big low register even through the pedal tones.
3GDeep26.26mmMedium wide, well rounded..276"429Same rim shape and diameter as No. 3 small shank tenor trombone, but with a deep bass trombone cup, throat, and backbore to facilitate pedal tones.
4GDeep26.00mmMedium wide, slightly rounded..276"429Same rim shape and diameter as No. 4 small shank tenor trombone. A versatile, large diameter mouthpiece especially useful when only one trombone is used for both the upper and very low register.
5GDeep25.50mmMedium wide, semi-flat..276"429Same rim shape and diameter as No. 5 small shank tenor trombone. Similar playing characteristics to No. 4G with a slightly smaller cup diameter.
5GLMedium Deep25.50mmMedium wide, semi-flat..276"429Old style, shallower model than No. 5G, facilitates upper range.
5GBDeep25.50mmMedium thin, very well rounded..276"429Same cup, throat and backbore as the No. 5G with a more rounded rim.
5GSMedium Deep25.50mmMedium wide, semi-flat..261"420(modified)Shallower “G”-style cup with a smaller throat and backbore than No. 5G produces easy high register, slightly brighter sound.
6-1/2AMedium Deep25.40mmMedium wide, well rounded..276"429Same rim and cup as No. 6 1/2A small shank tenor trombone, but with full bass trombone throat and backbore for a rich, compact sound of large volume.
6-1/2ALMedium Deep25.40mmMedium wide, well rounded..261"420The same cup, throat, and backbore as No. 6 1/2AL small shank tenor trombone but with a bass shank. It requires a well developed embouchure.



Model: 341XX
Manufacturer: Bach

Select an Option Below

1-1/2G

Price: $83.00

1-1/4G

Price: $83.00

1G

Price: $83.00

2G

Price: $79.00

3G

Price: $79.00

4G

Price: $83.00

5G

Price: $83.00

5GB

Price: $79.00

5GL

Price: $79.00

5GS

Price: $79.00

6-1/2A

Price: $83.00

6-1/2AL

Price: $83.00
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