Kelly vs Yamaha Tuba Mouthpieces
Kelly offers 20 tuba mouthpieces (made in United States), while Yamaha has 15 models (made in Japan). On average, Kelly cups measure 32.42mm versus 31.99mm for Yamaha. Below we compare both lineups side by side to help you choose the right brand for your playing style.
Kelly
Models20
Avg cup32.42mm
Avg throat—
Common styleGeneral
CountryUnited States
vs
Yamaha
Models15
Avg cup31.99mm
Avg throat7.92mm
Common style—
CountryJapan
Kelly vs Yamaha — head-to-head comparisons
- Kelly 18 vs Yamaha BB-BOBO-SOLO-GP
- Kelly 18 vs Yamaha BB-67C4
- Kelly 18 vs Yamaha BB-64
- Kelly 18 vs Yamaha BB-BOBO-SOLO-S
- Kelly 24AW vs Yamaha BB-BOBO-SOLO-GP
- Kelly 24AW vs Yamaha BB-67C4
- Kelly 24AW vs Yamaha BB-64
- Kelly 24AW vs Yamaha BB-BOBO-SOLO-S
- Kelly 24AW-SS vs Yamaha BB-BOBO-SOLO-GP
- Kelly 24AW-SS vs Yamaha BB-67C4
- Kelly 24AW-SS vs Yamaha BB-64
- Kelly 24AW-SS vs Yamaha BB-BOBO-SOLO-S
All models
Kelly (20)
18
32.77mm · — · General
24AW
31.24mm · V.Deep · General
24AW-SS
31.24mm · V.Deep · General
25
30.99mm · Medium · General
50-EU-SS
33.27mm · — · General
50-SS
33.27mm · — · General
JACOBS-SS
31.75mm · Medium · Orchestral
KELLYBERG-SP
33.02mm · — · Orchestral
KELLYBERG-TS
33.02mm · — · Orchestral
KM-50
33.27mm · — · Orchestral
POLKA-SS
33.27mm · — · General
X-SMALL
30.73mm · Shallow · Student
50-KS-SS
33.27mm · — · General
KELLYBERG
33.02mm · — · Orchestral
X-SMALL-TS
30.73mm · Shallow · Student
XXL-SS
33.78mm · — · Contrabass
KELLYBERG-EU-SS
33.02mm · — · Orchestral
KELLYBERG-KS-SS
33.02mm · — · Orchestral
KELLYBERG-SS
33.02mm · — · Orchestral
X-SMALL-SS
30.73mm · Shallow · Student
Yamaha (15)
BB-BOBO-SOLO-GP
32.20mm · Shallow
BB-67C4
32.06mm · Medium
BB-64
30.45mm · Medium
BB-BOBO-SOLO-S
32.20mm · Shallow
BB-65
30.95mm · Medium
BB-67
31.93mm · Medium
BB-BOBO-SYM-S
32.90mm · Shallow
BB-CAROLINO
32.44mm · Shallow
BB-66D4
31.49mm · Deep
BB-BOBO-SYM-GP
32.90mm · Shallow
BB-SELF
32.86mm · Medium
BB-66
31.37mm · Medium
BB-67B4
32.06mm · Shallow
BB-68B
32.72mm · Shallow
BB-66B
31.37mm · Shallow
Frequently asked questions
Which brand makes better tuba mouthpieces — Kelly or Yamaha?
Neither brand is universally better. Kelly has 20 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 Kelly and Yamaha tuba mouthpieces compare in size?
Kelly averages 32.42mm cup diameter with N/Amm throat. Yamaha averages 31.99mm cup diameter with 7.92mm throat.