Kelly vs Schilke Trombone Mouthpieces
Kelly offers 17 trombone mouthpieces (made in United States), while Schilke has 27 models (made in United States). On average, Kelly cups measure 25.86mm versus 25.21mm for Schilke. Below we compare both lineups side by side to help you choose the right brand for your playing style.
Kelly
Models17
Avg cup25.86mm
Avg throat—
Common styleBass
CountryUnited States
vs
Schilke
Models27
Avg cup25.21mm
Avg throat6.40mm
Common style—
CountryUnited States
Kelly vs Schilke — head-to-head comparisons
- Kelly BASS-BONE-LS-SS vs Schilke 45B
- Kelly BASS-BONE-LS-SS vs Schilke 51D
- Kelly BASS-BONE-LS-SS vs Schilke 53
- Kelly BASS-BONE-LS-SS vs Schilke 52E2
- Kelly BEAST-LS-SS vs Schilke 45B
- Kelly BEAST-LS-SS vs Schilke 51D
- Kelly BEAST-LS-SS vs Schilke 53
- Kelly BEAST-LS-SS vs Schilke 52E2
- Kelly JAZZ-LS-SS vs Schilke 45B
- Kelly JAZZ-LS-SS vs Schilke 51D
- Kelly JAZZ-LS-SS vs Schilke 53
- Kelly JAZZ-LS-SS vs Schilke 52E2
All models
Kelly (17)
BASS-BONE-LS-SS
27.69mm · — · Bass
BEAST-LS-SS
28.70mm · — · Bass
JAZZ-LS-SS
25.65mm · — · Jazz
6-1/2AL-LS-SS
25.15mm · V.Deep · General
12C
24.13mm · Shallow · Lead
5G-LS
25.40mm · — · Orchestral
6-1/2AL-SS
25.15mm · V.Deep · General
SKY-SS
24.64mm · Shallow · Lead
SYMPHONY-LS-SS
25.65mm · — · Orchestral
6-1/2AL
25.15mm · V.Deep · General
51D-LS-SS
25.40mm · — · Professional
5G
25.40mm · — · Orchestral
BASS-BONE
27.69mm · — · Bass
BASS-BONE-LS
27.69mm · — · Bass
51D
25.40mm · — · Professional
51D-LS
25.40mm · — · Professional
51D-SS
25.40mm · — · Professional
Schilke (27)
45B
24.30mm · Medium
51D
25.55mm · Medium
53
26.24mm · Medium
52E2
25.91mm · V.Deep
52D
25.78mm · Deep
45
24.38mm · Medium
46D
24.76mm · Medium
51
25.63mm · Medium
60
29.03mm · Medium
50
25.40mm · Medium
58
27.68mm · Medium
59
28.52mm · Deep
40
22.53mm · Medium
43A
23.57mm · Medium
52
25.78mm · Shallow
57
26.52mm · Medium
46
24.54mm · Medium
47B
24.87mm · Medium
47C4
25.10mm · Medium
50C4
25.40mm · Deep
Frequently asked questions
Which brand makes better trombone mouthpieces — Kelly or Schilke?
Neither brand is universally better. Kelly has 17 models and Schilke has 27. 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 Schilke trombone mouthpieces compare in size?
Kelly averages 25.86mm cup diameter with N/Amm throat. Schilke averages 25.21mm cup diameter with 6.40mm throat.