Brass Instrument Mouthpiece Size Chart
| Trumpet | Rim mm | Rim in |
| 1 GW | 17.29 | 0.681 |
| David Hickman | 17.25 | 0.68 |
| 1.25 GW | 17.09 | 0.673 |
| 1.5 GW | 16.89 | 0.665 |
| Boston Brass | 16.5 | 0.653 |
| Matt Muckey | 17.06 | 0.672 |
| 3 GW | 16.5 | 0.653 |
| 5 GW | 16.4 | 0.646 |
| 7 GW | 16.35 | 0.64 |
| Gill Kaupp | 16.35 | 0.63 |
| 10 GW | 16 | 0.63 |
| Lead J,S,Z | 16 | 0.63 |
| French Horn | Rim Diameter | Throat | Cup Depth | Rim Width |
| FH-5 | 0.668 | 0.228 | 1.155 | 0.135 |
| FH-1 | 0.678 | 0.165 | 0.787 | 0.152 |
| FH-1.5 | 0.678 | 0.185 | 0.787 | 0.152 |
| FH-2.5 | 0.679 | 0.175 | 0.995 | 0.152 |
| FH-2.75 | 0.679 | 0.185 | 0.995 | 0.152 |
| FH-200 | 0.685 | 0.18 | 0.985 | 0.15 |
| FH-2 | 0.685 | 0.183 | 1.025 | 0.151 |
| FH-3 | 0.7 | 0.173 | 1.05 | 0.142 |
| FH-3.25 | 0.7 | 0.185 | 1.05 | 0.142 |
| FH 3.5 | 0.7 | 0.173 | 1.01 | 0.14 |
| FH-3.75 | 0.7 | 0.185 | 1.01 | 0.14 |
| FH-4.25 | 0.705 | 0.173 | 1.045 | 0.138 |
| FH-4.5 | 0.705 | 0.185 | 1.045 | 0.138 |
| FH-310 | 0.705 | 0.182 | 1.2 | 0.156 |
| Boston Brass | 0.738 | 0.186 | 1.07 | 0.140 |
| Small Bore Trombone | Rim Diameter | Throat | Cup Depth | Rim Width |
| Reggie Young | 0.954 | 0.236 | 1.035 | 0.275 |
| GWC-958 | 0.958 | 0.232 | .884 | 0.272 |
| Bacchus | 0.992 | 0.231 | 0.83 | 0.255 |
| Chocolatero | 0.96 | 0.231 | 0.895 | 0.275 |
| Barber | 0.975 | 0.231 | 0.935 | 0.268 |
| Chubasco | 0.985 | 0.231 | 0.965 | 0.257 |
| Ron Wilkins | 0.997 | 0.232 | 0.945 | 0.262 |
| GWC-100 | 1 | 0.23 | 0.945 | 0.265 |
| Harry Watters | 1 | 0.259 | 0.975 | 0.277 |
| GWC-101 | 1.01 | 0.232 | 0.925 | 0.275 |
| Joseph Jefferson | 1.012 | 0.265 | 1.15 | 0.261 |
| Tenor Trombone | Rim Diameter | Throat | Cup Depth | Rim Width |
| NB-100 | 1 | 0.278 | 1.005 | 0.25 |
| GW-100 | 1 | 0.282 | 1.175 | 0.25 |
| Sonny Ausman | 1.008 | 0.264 | 1.15 | 0.285 |
| Euros | 1.008 | 0.282 | 1.09 | 0.242 |
| Boreas | 1.008 | 0.283 | 1.115 | 0.242 |
| NB-101 | 1.01 | 0.276 | 1.005 | 0.25 |
| GW-101 | 1.01 | 0.276 | 1.18 | 0.25 |
| Seiji Nakazawa | 1.015 | 0.234 | 1.005 | 0.25 |
| Kadja | 1.012 | 0.285 | 1.245 | 0.245 |
| SA-100 | 1.02 | 0.26 | 1.14 | 0.235 |
| NB-102 | 1.02 | 0.276 | 1.005 | 0.25 |
| Gianluca Scipioni | 1.0202 | 0.282/263 | 1.28 | 0.2756 |
| GW-102 | 1.02 | 0.281 | 1.185 | 0.25 |
| DJNV | 1.02 | 0.272 | 1.029 | 0.265 |
| Carbonaria | 1.021 | 0.3 | 1.275 | 0.265 |
| Joe Jefferson | 1.022 | 0.263 | 1.24 | 0.263 |
| E-1 | 1.027 | 0.281 | 1.004 | 0.27 |
| EXL | 1.027 | 0.290 | 1.004 | 0.27 |
| GW-103 | 1.03 | 0.284 | 1.185 | 0.25 |
| DHWA-E | 1.032 | 0.288 | 1.255 | 0.272 |
| DHWA-S | 1.032 | 0.288 | 1.195 | 0.272 |
| TZ-103 | 1.035 | 0.279 | 1.025 | 0.235 |
| Domingo Pagliuca | 1.038 | 0.285 | 1.133 | 0.2756 |
| E-2 | 1.045 | 0.28 | 1.035 | 0.255 |
| Ron Wilkins | 1.063 | 0.282 | 1.002 | 0.255 |
| Bass Trombone | Rim Diameter | Throat | Cup Depth | Rim Width |
| Adriano | 1.0958 | 0.302 | 1.445 | 0.269 |
| Mark-1 | 1.0958 | 0.295 | 1.268 | 0.270 |
| Karif | 1.135 | 0.302 | 1.275 | 0.25 |
| V-Max | 1.12 | 0.321 | 1.20 | 0.25 |
| Chinook | 1.14 | 0.304 | 1.295 | 0.25 |
| Don Harwood | 1.14 | 0.312 | 1.325 | 0.237 |
| Bob Sanders | 1.14 | 0.319 | 1.295 | 0.25 |
| NY-S | 1.141 | 0.303 | 1.09 | 0.235 |
| NY-O | 1.141 | 0.312 | 1.155 | 0.235 |
| DH-100 | 1.15 | 0.31 | 1.35 | 0.245 |
| D.Mirvil 5 | 1.143 | 0.312 | 1.35 | 0.210 |
| Nor'Easter | 1.144 | 0.319 | 1.345 | 0.235 |
|
Tuba |
Inner Rim Diameter |
Throat |
Cup Depth |
Use |
|
1.320 |
.332 |
Deep Funnel |
Large ensemble, dark rich tone |
|
|
1.320 |
.318 |
Medium Deep Cup |
Large ensemble, clearer upper overtones |
|
|
1.295 |
.325 |
Deep Funnel |
Large ensemble, dark rich tone |
|
|
1.295 |
.325 |
Deep Funnel tighter back bore than Taku |
Large ensemble purer upper over tones |
|
|
1.295 |
.318 |
Medium Depth Funnel |
A work horse that can do it all equally well similar to Helleberg 7 slightly larger inner rim |
|
|
1.260 |
.318 |
Deep Funnel |
Well rounded mouthpiece simmilar to Helleberg 7b slightly larger inner rim great for solos, and chamber ensemble |
|
|
1.260 |
.318 |
Shallow Cup |
Great for solos and quintet |
|
|
1.255 |
.318 |
Very Shallow Cup |
Great for extended high playing an solos |
|
|
1.268 |
.305 |
Medium Shallow Cup |
Great for orchestral solo F tuba |
|
|
1.290 |
.335 |
Medium Deep Funnel Cup |
Awesome for orchestral CC tuba parts |
|
|
1.295 |
.321 |
Medium Funnel |
Great for orchestral playing and large ensembles |
|
|
1.295 |
.295 |
Shallow Cup |
Great for orchestral and solo playing |
|
|
1.295 |
.295 |
Shallow Cup wide mouth of throat |
Great for quintet and chamber groups |
|
|
1.295 |
.295 |
Medium Cup Depth |
Best for Chamber group and all a very versatile piece |
|
|
1.295 |
.295 |
Very shallow F Cup |
Great for solo playing |
|
|
1.310 |
.321 |
Deep Funnel Cup |
Great for orchestral work |
|
|
1.320 |
.332 |
Very Deep Funnel Cup |
Great for projection and clarity |
|
|
1.320 |
.332 |
Very Deep Funnel Cup |
Best in a large ensemble on bombastic low excerpts |
|
|
1.295 |
.295 |
Medium Shallow Cup |
Best in a large ensemble playing bombastic F tuba orchestral parts |
|
|
1.265 |
.316 |
Medium Deep Cup |
Very Versatile Mouthpiece based on Helleberg 7B |
|
|
1.295 |
.318 |
Medium Deep Cup |
Very Versatile mouthpiece great for all playing needs |
|
|
1.295 |
.321 |
Medium Deep Cup |
Great for Quintet, solos, and small ensembles |