Which has a bigger cup — Bach 19 or Bach 22?

The Bach 19 has a cup diameter of 24.00 mm / 0.9449 in compared to 23.92 mm / 0.9417 in on the Bach 22 — a difference of 0.08 mm / 0.0031 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 19 and Bach 22?

The Bach 19 has a deep cup while the Bach 22 has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 19 vs Bach 22

Name: Bach 22
Brand: Bach

The Bach 19 has a wider cup diameter, the Bach 19 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 19

• Trombone

Material—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣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.