Which has a bigger cup — Bach 1¼C or Bach Mega Tone 1½B?

Both mouthpieces have virtually identical cup diameters at 17.00 mm / 0.6693 in.

How does cup depth compare between Bach 1¼C and Bach Mega Tone 1½B?

The Bach Mega Tone 1½B has a deep cup while the Bach 1¼C has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 1¼C vs Bach Mega Tone 1½B

Name: Bach Mega Tone 1½B
Brand: Bach

the Bach Mega Tone 1½B features a deeper cup, the Bach Mega Tone 1½B has a larger throat opening.

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 1¼C

• Trumpet

Material—

Mouthpiece B

Bach Mega Tone 1½B

• Trumpet

Material—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

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.