Modular Cornet Mouthpiece Backbore
Cornet Backbore Descriptions
#3 Commercial but can be used for a variety of playing situations. Very even from top to bottom.
#7 Provides full, warm sound for all around work.
#9 A medium sized symphonic backbore that is centered and dark. ("24" style)
Standard throat bore on all Modular Backbores is a #27.