Bach Commercial Trumpet Mouthpiece

The Commercial series was designed specifically for lead trumpet players looking for greater depth of sound and volume when playing in higher registers.

The Commercial series starts with a Classic cup, but uses a 27 throat, a 24 backbore and increases the outside mass. Commercial mouthpieces are only available in Shallow and Medium V shaped cups.

COMMERCIAL TRUMPET MOUTHPIECES

Model No.	Depth of Cup	Approx. Cup Dia.	Rim Shape	Description
3S	Shallow	16.64mm	Medium wide. Slightly flatter rim face than standard Bach 3C.	Large diameter mouthpiece with a shallow cup. Special backbore helps facilitate the high register.
5S	Shallow	16.31mm	Medium wide. Slightly flatter rim face than standard Bach 5C.	Medium large diameter mouthpiece with a shallow cup. Special backbore helps facilitate the high register.
7S	Shallow	16.00mm	Medium wide. Slightly flatter rim face than standard Bach 7C.	Medium diameter mouthpiece with a shallow cup. Special backbore helps facilitate the high register.
10HS	Shallow	15.11mm	Medium wide. Slightly flatter rim face than standard Bach 10-1/2C.	Smaller diameter mouthpiece with a shallow cup. Special backbore helps facilitate the high register.
3MV	Modified "V"	16.87mm	Medium wide. Slightly flatter rim face than standard Bach 3C.	Large diameter mouthpiece with a modified "V" cup. Provides a fuller sound than the "S" cup. Special backbore helps facilitate the high register.
5MV	Modified "V"	16.54mm	Medium wide. Slightly flatter rim face than standard Bach 5C.	Medium large diameter mouthpiece with a modified "V" cup. Provides a fuller sound than the "S" cup. Special backbore helps facilitate the high register.
7MV	Modified "V"	16.23mm	Medium wide. Slightly flatter rim face than standard Bach 7C.	Medium diameter mouthpiece with a modified "V" cup. Provides a fuller sound than the "S" cup. Special backbore helps facilitate the high register.
10MV	Modified "V"	15.34mm	Medium wide. Slightly flatter rim face than standard Bach 10-1/2.	Smaller diameter mouthpiece with a modified "V" cup. Provides a fuller sound than the "S" cup. Special backbore helps facilitate the high register.