Bach 7E vs Bach 8¾C
The Bach 7E has a wider cup diameter.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bach 7E
• Cornet
Throat diameter3.66 mm / 0.1441 in
Best suited for
Lead / commercial — shallow cup for brightness and range
vs
Mouthpiece B
Bach 8¾C
• Cornet
Throat diameter3.66 mm / 0.1441 in
Best suited for
Lead / commercial — shallow cup for brightness and range
Throat Diameter
Throat diameters are essentially identical at 3.66 mm / 0.1441 in, so resistance feel will be comparable.
Which is better?
Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.