Bach vs Yamaha French Horn Mouthpieces
Bach offers 10 french horn mouthpieces (made in United States), while Yamaha has 23 models (made in Japan). On average, Bach cups measure 16.75mm versus 17.44mm for Yamaha. 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
Yamaha
Models23
Avg cup17.44mm
Avg throat4.14mm
Common style—
CountryJapan
Bach vs Yamaha — head-to-head comparisons
All models
Bach (10)
16
16.25mm · V.Deep
10
16.80mm · V.Deep
11
16.55mm · Medium
15
16.30mm · Medium
18
16.15mm · Medium
7S
17.25mm · Medium
12
16.50mm · Medium
10S
16.80mm · V.Deep
7
17.25mm · Medium
3
17.60mm · Medium
Yamaha (23)
HR-29B
17.07mm · Shallow
HR-35C4
18.08mm · Medium
HR-28B
16.87mm · Shallow
HR-31D4
17.28mm · Deep
HR-29C4
17.08mm · Medium
HR-30B
17.27mm · Shallow
HR-34B
18.07mm · Shallow
HR-29D4
16.88mm · Deep
HR-30D4
17.08mm · Deep
HR-31B
17.47mm · Shallow
HR-33C4
17.68mm · Medium
HR-SOMMERVILLE
16.93mm · Medium
HR-30-GP
17.08mm · Medium
HR-30C4
17.28mm · Medium
HR-34C4
17.88mm · Medium
HR-BACON
17.99mm · Shallow
HR-32B
17.67mm · Shallow
HR-32C4
17.48mm · Medium
HR-32D4
17.48mm · Deep
HR-34C
17.81mm · Medium
Frequently asked questions
Which brand makes better french horn mouthpieces — Bach or Yamaha?
Neither brand is universally better. Bach has 10 models and Yamaha has 23. 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 Yamaha french horn mouthpieces compare in size?
Bach averages 16.75mm cup diameter with 4.52mm throat. Yamaha averages 17.44mm cup diameter with 4.14mm throat.