Bach vs Yamaha Baritone / Euphonium Mouthpieces
Bach offers 40 baritone / euphonium mouthpieces (made in United States), while Yamaha has 4 models (made in Japan). On average, Bach cups measure 24.74mm versus 22.00mm for Yamaha. Below we compare both lineups side by side to help you choose the right brand for your playing style.
Bach
Models40
Avg cup24.74mm
Avg throat5.96mm
Common style—
CountryUnited States
vs
Yamaha
Models4
Avg cup22.00mm
Avg throat6.18mm
Common style—
CountryJapan
Bach vs Yamaha — head-to-head comparisons
- Bach 14½D vs Yamaha AH-38D4
- Bach 14½D vs Yamaha EP-51DL
- Bach 14½D vs Yamaha AH-37C4
- Bach 14½D vs Yamaha EP-51DS
- Bach 17D vs Yamaha AH-38D4
- Bach 17D vs Yamaha EP-51DL
- Bach 17D vs Yamaha AH-37C4
- Bach 17D vs Yamaha EP-51DS
- Bach 8 vs Yamaha AH-38D4
- Bach 8 vs Yamaha EP-51DL
- Bach 8 vs Yamaha AH-37C4
- Bach 8 vs Yamaha EP-51DS
All models
Bach (40)
14½D
24.50mm · Shallow
17D
24.20mm · Shallow
8
24.75mm · Medium
5GB (small shank)
25.50mm · V.Deep
6½A (small shank)
25.40mm · Deep
5
25.50mm · Medium
9
24.72mm · Deep
12
24.50mm · Deep
15
24.40mm · Deep
17
24.20mm · Medium
17C
24.20mm · Shallow
3
26.26mm · Deep
4
26.00mm · Medium
4C
25.75mm · Shallow
5GS (small shank)
25.50mm · Deep
6½AL (small shank)
25.40mm · Deep
8½BW
24.75mm · Shallow
15EW
24.30mm · Shallow
22C
23.92mm · Shallow
5G (small shank)
25.50mm · V.Deep
Frequently asked questions
Which brand makes better baritone / euphonium mouthpieces — Bach or Yamaha?
Neither brand is universally better. Bach has 40 models and Yamaha has 4. 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 baritone / euphonium mouthpieces compare in size?
Bach averages 24.74mm cup diameter with 5.96mm throat. Yamaha averages 22.00mm cup diameter with 6.18mm throat.