GR Technologies vs Yamaha Trumpet Mouthpieces
GR Technologies offers 113 trumpet mouthpieces (made in United States), while Yamaha has 44 models (made in Japan). On average, GR Technologies cups measure 16.59mm versus 16.70mm for Yamaha. Below we compare both lineups side by side to help you choose the right brand for your playing style.
GR Technologies
Models113
Avg cup16.59mm
Avg throat—
Common style—
CountryUnited States
vs
Yamaha
Models44
Avg cup16.70mm
Avg throat3.68mm
Common style—
CountryJapan
GR Technologies vs Yamaha — head-to-head comparisons
- GR Technologies 66M vs Yamaha TR-14B4
- GR Technologies 66M vs Yamaha TR-14B4-GP
- GR Technologies 66M vs Yamaha TR-SHEW-JAZZ
- GR Technologies 66M vs Yamaha TR-14C4
- GR Technologies 3M vs Yamaha TR-14B4
- GR Technologies 3M vs Yamaha TR-14B4-GP
- GR Technologies 3M vs Yamaha TR-SHEW-JAZZ
- GR Technologies 3M vs Yamaha TR-14C4
- GR Technologies 63S vs Yamaha TR-14B4
- GR Technologies 63S vs Yamaha TR-14B4-GP
- GR Technologies 63S vs Yamaha TR-SHEW-JAZZ
- GR Technologies 63S vs Yamaha TR-14C4
All models
GR Technologies (113)
66M
16.76mm · Medium
3M
16.76mm · Medium
63S
16.00mm · Shallow
65SZ
16.50mm · Shallow
63Z**
16.00mm · Shallow
64S
16.26mm · Shallow
64SZ
16.26mm · Shallow
63SZ
16.00mm · Shallow
63Z*
16.00mm · Shallow
66MS
16.76mm · Medium
63MS
16.00mm · Medium
62MS
15.75mm · Medium
64.7M
16.43mm · Medium
64ES
16.26mm · Shallow
64M
16.26mm · Medium
E62S
15.75mm · Shallow
G66***
16.76mm · Medium
Primal 62
15.75mm · Medium
62Z**
15.75mm · Shallow
63M
16.00mm · Medium
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-14A4a
16.68mm · V.Shallow
TR-11B4
16.46mm · Shallow
TR-16C4-GP
17.00mm · Medium
TR-SHEW-LEAD
16.54mm · V.Shallow
TR-13C4
16.50mm · Medium
TR-MG
17.30mm · Shallow
TR-14D4
16.80mm · Deep
TR-14E4
16.84mm · V.Deep
TR-16E4
17.14mm · V.Deep
TR-VIZZUTTI
16.67mm · V.Shallow
TR-15B4
16.96mm · Shallow
TR-7A4
16.24mm · V.Shallow
TR-13B4
16.63mm · Shallow
TR-14C4-GP
16.88mm · Medium
TR-15C4
16.98mm · Medium
Frequently asked questions
Which brand makes better trumpet mouthpieces — GR Technologies or Yamaha?
Neither brand is universally better. GR Technologies has 113 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 GR Technologies and Yamaha trumpet mouthpieces compare in size?
GR Technologies averages 16.59mm cup diameter with N/Amm throat. Yamaha averages 16.70mm cup diameter with 3.68mm throat.