Kelly vs Yamaha Trumpet Mouthpieces
Kelly offers 14 trumpet mouthpieces (made in United States), while Yamaha has 44 models (made in Japan). On average, Kelly cups measure 16.56mm versus 16.70mm for Yamaha. Below we compare both lineups side by side to help you choose the right brand for your playing style.
Kelly
Models14
Avg cup16.56mm
Avg throat3.91mm
Common styleGeneral
CountryUnited States
vs
Yamaha
Models44
Avg cup16.70mm
Avg throat3.68mm
Common style—
CountryJapan
Kelly vs Yamaha — head-to-head comparisons
- Kelly 5C vs Yamaha TR-14B4
- Kelly 5C vs Yamaha TR-14B4-GP
- Kelly 5C vs Yamaha TR-SHEW-JAZZ
- Kelly 5C vs Yamaha TR-14C4
- Kelly 5C-BUGLE vs Yamaha TR-14B4
- Kelly 5C-BUGLE vs Yamaha TR-14B4-GP
- Kelly 5C-BUGLE vs Yamaha TR-SHEW-JAZZ
- Kelly 5C-BUGLE vs Yamaha TR-14C4
- Kelly 7C-BUGLE vs Yamaha TR-14B4
- Kelly 7C-BUGLE vs Yamaha TR-14B4-GP
- Kelly 7C-BUGLE vs Yamaha TR-SHEW-JAZZ
- Kelly 7C-BUGLE vs Yamaha TR-14C4
All models
Kelly (14)
5C
16.76mm · V.Deep · General
5C-BUGLE
16.76mm · V.Deep · General
7C-BUGLE
16.51mm · Medium · General
SHEW-JAZZ
16.51mm · — · Jazz
3C
17.02mm · V.Deep · General
SCREAMER-BUGLE
16.00mm · Shallow · Lead
V-BOMB
16.00mm · — · Lead/Extended
7C
16.51mm · Medium · General
CKB-7C
16.51mm · Medium · General
PRO
17.27mm · — · Professional
SCREAMER
16.00mm · Shallow · Lead
4B
16.51mm · — · Orchestral
SYMPHONIC
17.53mm · — · Orchestral
6V
16.00mm · — · Dark/Deep
Yamaha (44)
TR-14B4
16.85mm · Shallow
TR-14B4-GP
16.85mm · Shallow
TR-SHEW-JAZZ
16.85mm · Medium
TR-14C4
16.88mm · Medium
TR-16C4
17.00mm · Medium
TR-11B4
16.46mm · Shallow
TR-SHEW-LEAD
16.54mm · V.Shallow
TR-14A4a
16.68mm · V.Shallow
TR-16C4-GP
17.00mm · Medium
TR-13C4
16.50mm · Medium
TR-14D4
16.80mm · Deep
TR-15B4
16.96mm · Shallow
TR-16E4
17.14mm · V.Deep
TR-VIZZUTTI
16.67mm · V.Shallow
TR-14E4
16.84mm · V.Deep
TR-7A4
16.24mm · V.Shallow
TR-MG
17.30mm · Shallow
TR-11B4-GP
16.46mm · Shallow
TR-13B4
16.63mm · Shallow
TR-14C4-GP
16.88mm · Medium
Frequently asked questions
Which brand makes better trumpet mouthpieces — Kelly or Yamaha?
Neither brand is universally better. Kelly has 14 models and Yamaha has 44. 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 trumpet mouthpieces compare in size?
Kelly averages 16.56mm cup diameter with 3.91mm throat. Yamaha averages 16.70mm cup diameter with 3.68mm throat.