Bach vs Kelly French Horn Mouthpieces
Bach offers 10 french horn mouthpieces (made in United States), while Kelly has 5 models (made in United States). On average, Bach cups measure 16.75mm versus 17.17mm for Kelly. Below we compare both lineups side by side to help you choose the right brand for your playing style.
Bach
Models10
Avg cup16.75mm
Avg throat4.52mm
Common style—
CountryUnited States
vs
Kelly
Models5
Avg cup17.17mm
Avg throat3.88mm
Common styleGeneral
CountryUnited States
Bach vs Kelly — head-to-head comparisons
All models
Frequently asked questions
Which brand makes better french horn mouthpieces — Bach or Kelly?
Neither brand is universally better. Bach has 10 models and Kelly has 5. 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 french horn mouthpieces compare in size?
Bach averages 16.75mm cup diameter with 4.52mm throat. Kelly averages 17.17mm cup diameter with 3.88mm throat.