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Bach vs Yamaha Tuba Mouthpieces

Bach offers 14 tuba mouthpieces (made in United States), while Yamaha has 15 models (made in Japan). On average, Bach cups measure 31.66mm versus 31.99mm for Yamaha. Below we compare both lineups side by side to help you choose the right brand for your playing style.

Bach

Models14
Avg cup31.66mm
Avg throat8.67mm
Common style—
CountryUnited States
vs

Yamaha

Models15
Avg cup31.99mm
Avg throat7.92mm
Common style—
CountryJapan

Bach vs Yamaha — head-to-head comparisons

All models

Bach (14)

18
32.10mm · Medium
24W
31.25mm · Medium
Mega Tone Tuba 22
31.60mm · Medium
25
30.60mm · Medium
12
32.75mm · Medium
22
31.60mm · Medium
30E
30.00mm · Shallow
32E
29.50mm · Shallow
Mega Tone Tuba 24AW
31.25mm · V.Deep
24AW
31.25mm · V.Deep
7
33.25mm · Medium
Mega Tone Tuba 18
32.10mm · Medium
Mega Tone Tuba 7
33.25mm · Medium
Mega Tone Tuba 12
32.75mm · Medium

Yamaha (15)

BB-BOBO-SOLO-GP
32.20mm · Shallow
BB-67C4
32.06mm · Medium
BB-BOBO-SYM-S
32.90mm · Shallow
BB-CAROLINO
32.44mm · Shallow
BB-64
30.45mm · Medium
BB-65
30.95mm · Medium
BB-67
31.93mm · Medium
BB-BOBO-SOLO-S
32.20mm · Shallow
BB-BOBO-SYM-GP
32.90mm · Shallow
BB-SELF
32.86mm · Medium
BB-66
31.37mm · Medium
BB-66D4
31.49mm · Deep
BB-67B4
32.06mm · Shallow
BB-66B
31.37mm · Shallow
BB-68B
32.72mm · Shallow

Frequently asked questions

Which brand makes better tuba mouthpieces — Bach or Yamaha?

Neither brand is universally better. Bach has 14 models and Yamaha has 15. The best choice depends on your playing style, preferred cup depth, and tonal goals. Compare specific models head-to-head to find the right fit.

How do Bach and Yamaha tuba mouthpieces compare in size?

Bach averages 31.66mm cup diameter with 8.67mm throat. Yamaha averages 31.99mm cup diameter with 7.92mm throat.

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