Which has a bigger cup — Bach 5C or Bach 5V?

Both mouthpieces have virtually identical cup diameters at 16.25 mm / 0.6398 in.

How does cup depth compare between Bach 5C and Bach 5V?

The Bach 5V has a very deep cup while the Bach 5C has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 5C vs Bach 5V

Name: Bach 5V
Brand: Bach

the Bach 5V features a deeper cup, the Bach 5V has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

The taper behind the throat leading to the shank. Affects projection and tone character.

Mouthpiece A

Bach 5C

• Trumpet

Backbore—

Best suited for

🎵All-round versatile — balanced cup for general playing

Mouthpiece B

Bach 5V

• Trumpet

Backbore—

Best suited for

📣High-volume projection — open throat for power

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.