Bach vs Kelly Trumpet Mouthpieces
Bach offers 103 trumpet mouthpieces (made in United States), while Kelly has 14 models (made in United States). On average, Bach cups measure 16.21mm versus 16.56mm for Kelly. Below we compare both lineups side by side to help you choose the right brand for your playing style.
Bach
Models103
Avg cup16.21mm
Avg throat3.68mm
Common style—
CountryUnited States
vs
Kelly
Models14
Avg cup16.56mm
Avg throat3.91mm
Common styleGeneral
CountryUnited States
Bach vs Kelly — head-to-head comparisons
All models
Bach (103)
3C
16.30mm · Medium
1½C
17.00mm · Medium
1
17.50mm · V.Deep
5C
16.25mm · Medium
1¼C
17.00mm · Medium
7C
16.20mm · Medium
10½C
15.90mm · Medium
3
16.30mm · V.Deep
5B
16.25mm · Deep
1C
17.00mm · Medium
10
16.00mm · V.Deep
7
16.20mm · V.Deep
3D
16.30mm · Shallow
7EW
16.20mm · Shallow
10¾CW
15.75mm · Medium
Mega Tone 1
17.50mm · V.Deep
10½EW
15.90mm · Shallow
3E
16.30mm · Shallow
5MV
16.25mm · Deep
Mega Tone 5B
16.25mm · Deep
Kelly (14)
5C
16.76mm · V.Deep · General
5C-BUGLE
16.76mm · V.Deep · General
SHEW-JAZZ
16.51mm · — · Jazz
7C-BUGLE
16.51mm · Medium · General
3C
17.02mm · V.Deep · General
SCREAMER-BUGLE
16.00mm · Shallow · Lead
V-BOMB
16.00mm · — · Lead/Extended
CKB-7C
16.51mm · Medium · General
PRO
17.27mm · — · Professional
4B
16.51mm · — · Orchestral
7C
16.51mm · Medium · General
SCREAMER
16.00mm · Shallow · Lead
6V
16.00mm · — · Dark/Deep
SYMPHONIC
17.53mm · — · Orchestral
Frequently asked questions
Which brand makes better trumpet mouthpieces — Bach or Kelly?
Neither brand is universally better. Bach has 103 models and Kelly has 14. 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 Kelly trumpet mouthpieces compare in size?
Bach averages 16.21mm cup diameter with 3.68mm throat. Kelly averages 16.56mm cup diameter with 3.91mm throat.