Conn vs Yamaha Trumpet Mouthpieces
Conn offers 29 trumpet mouthpieces (made in United States), while Yamaha has 44 models (made in Japan). On average, Conn cups measure 16.38mm versus 16.70mm for Yamaha. Below we compare both lineups side by side to help you choose the right brand for your playing style.
Conn
Models29
Avg cup16.38mm
Avg throat3.66mm
Common styleLead
CountryUnited States
vs
Yamaha
Models44
Avg cup16.70mm
Avg throat3.68mm
Common style—
CountryJapan
Conn vs Yamaha — head-to-head comparisons
- Conn Precision 4 vs Yamaha TR-14B4
- Conn Precision 4 vs Yamaha TR-14B4-GP
- Conn Precision 4 vs Yamaha TR-SHEW-JAZZ
- Conn Precision 4 vs Yamaha TR-14C4
- Conn Connstellation 9BW vs Yamaha TR-14B4
- Conn Connstellation 9BW vs Yamaha TR-14B4-GP
- Conn Connstellation 9BW vs Yamaha TR-SHEW-JAZZ
- Conn Connstellation 9BW vs Yamaha TR-14C4
- Conn Connstellation 9CN vs Yamaha TR-14B4
- Conn Connstellation 9CN vs Yamaha TR-14B4-GP
- Conn Connstellation 9CN vs Yamaha TR-SHEW-JAZZ
- Conn Connstellation 9CN vs Yamaha TR-14C4
All models
Conn (29)
Precision 4
16.41mm · Medium · General
Connstellation 9BW
15.88mm · V.Deep · Lead
Connstellation 9CN
15.88mm · — · Lead
Harry Glanz 5M
· Medium · Lead
Harry Glanz 6M
· Medium · Lead
Helleberg 7B
16.20mm · Medium · All-round
Precision 1
16.56mm · — · General
Precision 2
16.41mm · — · General
Connstellation 5CN
16.76mm · — · Orchestral
Harry Glanz 7M
· Medium · Lead
Harry Glanz 9M
· Medium · Lead
Imp. Precision 1
16.56mm · — · General
Imp. Precision 2
16.41mm · — · General
Imp. Precision 3
16.41mm · Medium · General
Imp. Precision 4
16.41mm · Medium · General
Imp. Precision 5
· Shallow · Lead
Precision 3
16.41mm · Medium · General
Precision 5
· Shallow · Lead
Connstellation 5BN
16.76mm · V.Deep · Orchestral
Connstellation 5BW
16.76mm · V.Deep · Orchestral
Yamaha (44)
TR-14B4
16.85mm · Shallow
TR-14B4-GP
16.85mm · Shallow
TR-SHEW-JAZZ
16.85mm · Medium
TR-14C4
16.88mm · Medium
TR-16C4
17.00mm · Medium
TR-SHEW-LEAD
16.54mm · V.Shallow
TR-14A4a
16.68mm · V.Shallow
TR-16C4-GP
17.00mm · Medium
TR-11B4
16.46mm · Shallow
TR-13C4
16.50mm · Medium
TR-MG
17.30mm · Shallow
TR-VIZZUTTI
16.67mm · V.Shallow
TR-14D4
16.80mm · Deep
TR-14E4
16.84mm · V.Deep
TR-16E4
17.14mm · V.Deep
TR-13B4
16.63mm · Shallow
TR-15B4
16.96mm · Shallow
TR-17B4
17.30mm · Shallow
TR-7A4
16.24mm · V.Shallow
TR-11B4-GP
16.46mm · Shallow
Frequently asked questions
Which brand makes better trumpet mouthpieces — Conn or Yamaha?
Neither brand is universally better. Conn has 29 models and Yamaha has 44. 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 Conn and Yamaha trumpet mouthpieces compare in size?
Conn averages 16.38mm cup diameter with 3.66mm throat. Yamaha averages 16.70mm cup diameter with 3.68mm throat.