Which has a bigger cup — Bach 12E or Bach 22?

The Bach 12E has a cup diameter of 24.50 mm / 0.9646 in compared to 23.92 mm / 0.9417 in on the Bach 22 — a difference of 0.58 mm / 0.0228 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 12E and Bach 22?

The Bach 22 has a medium cup while the Bach 12E has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 12E vs Bach 22

Name: Bach 22
Brand: Bach

The Bach 12E has a wider cup diameter, the Bach 22 features a deeper cup.

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

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Bach 12E

• Trombone

Material—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Bach 22

• Trombone

Material—

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.