Which has a bigger cup — Bach 18 or Bach Mega Tone Tuba 22?

The Bach 18 has a cup diameter of 32.10 mm / 1.2638 in compared to 31.60 mm / 1.2441 in on the Bach Mega Tone Tuba 22 — a difference of 0.50 mm / 0.0197 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 18 and Bach Mega Tone Tuba 22?

Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.

Bach 18 vs Bach Mega Tone Tuba 22

Name: Bach Mega Tone Tuba 22
Brand: Bach

The Bach 18 has a wider cup diameter, the Bach 18 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 18

• Tuba

Material—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Bach Mega Tone Tuba 22

• Tuba

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.

Open in interactive tool + Add third mouthpiece Bach 18 details Bach Mega Tone Tuba 22 details Bach 18 equivalents Bach Mega Tone Tuba 22 equivalents

Bach 18 vs Bach Mega Tone Tuba 22

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Bach 18 with others

Compare Bach Mega Tone Tuba 22 with others

Popular Tuba comparisons

Browse by specification