Bach vs Conn Cornet Mouthpieces
Bach offers 94 cornet mouthpieces (made in United States), while Conn has 27 models (made in United States). On average, Bach cups measure 16.13mm versus 16.40mm for Conn. Below we compare both lineups side by side to help you choose the right brand for your playing style.
Bach
Models94
Avg cup16.13mm
Avg throat3.67mm
Common style—
CountryUnited States
vs
Conn
Models27
Avg cup16.40mm
Avg throat—
Common styleGeneral
CountryUnited States
Bach vs Conn — head-to-head comparisons
- Bach 8½A vs Conn Imp. Precision 3
- Bach 8½A vs Conn Imp. Precision 5
- Bach 8½A vs Conn Precision 2
- Bach 8½A vs Conn Precision 3
- Bach 1½C vs Conn Imp. Precision 3
- Bach 1½C vs Conn Imp. Precision 5
- Bach 1½C vs Conn Precision 2
- Bach 1½C vs Conn Precision 3
- Bach 1B vs Conn Imp. Precision 3
- Bach 1B vs Conn Imp. Precision 5
- Bach 1B vs Conn Precision 2
- Bach 1B vs Conn Precision 3
All models
Bach (94)
8½A
16.10mm · V.Deep
1½C
17.00mm · Medium
1B
17.00mm · Deep
2½C
16.40mm · Medium
10½E
15.90mm · Shallow
2C
16.50mm · Medium
11½A
15.65mm · V.Deep
1X
17.00mm · V.Deep
8½C
16.10mm · Medium
8¾
16.10mm · V.Deep
8C
16.20mm · Medium
10½D
15.90mm · Shallow
11C
15.70mm · Medium
2¾C
16.40mm · Medium
7
16.20mm · V.Deep
7DW
16.20mm · Shallow
9A
16.05mm · V.Deep
Mega Tone Cornet 1
17.50mm · V.Deep
10
16.00mm · V.Deep
10½EW
15.90mm · Shallow
Conn (27)
Imp. Precision 3
16.41mm · Medium · General
Imp. Precision 5
· Shallow · Lead
Precision 2
16.41mm · — · General
Precision 3
16.41mm · Medium · General
Precision 4
16.41mm · Medium · General
Connstellation 7CN
16.42mm · — · General
Connstellation 7CW
16.42mm · — · General
Connstellation 9BN
15.88mm · V.Deep · Lead
Harry Glanz 6M
· Medium · Lead
Harry Glanz 7M
· Medium · Lead
Harry Glanz 8M
· Medium · Lead
Harry Glanz 9M
· Medium · Lead
Imp. Precision 4
16.41mm · Medium · General
Connstellation 5BN
16.76mm · V.Deep · Orchestral
Connstellation 5CN
16.76mm · — · Orchestral
Connstellation 5CW
16.76mm · — · Orchestral
Connstellation 7BN
16.42mm · V.Deep · General
Connstellation 7BW
16.42mm · V.Deep · General
Connstellation 9BW
15.88mm · V.Deep · Lead
Connstellation 9CW
15.88mm · — · Lead
Frequently asked questions
Which brand makes better cornet mouthpieces — Bach or Conn?
Neither brand is universally better. Bach has 94 models and Conn has 27. 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 Conn cornet mouthpieces compare in size?
Bach averages 16.13mm cup diameter with 3.67mm throat. Conn averages 16.40mm cup diameter with N/Amm throat.