Conn vs Marcinkiewicz Cornet Mouthpieces

Conn offers 27 cornet mouthpieces (made in United States), while Marcinkiewicz has 71 models (made in United States). On average, Conn cups measure 16.40mm versus 17.00mm for Marcinkiewicz. Below we compare both lineups side by side to help you choose the right brand for your playing style.

Conn

Models27
Avg cup16.40mm
Avg throat
Common styleLead
CountryUnited States
vs

Marcinkiewicz

Models71
Avg cup17.00mm
Avg throat4.26mm
Common style
CountryUnited States

All models

Frequently asked questions

Which brand makes better cornet mouthpieces — Conn or Marcinkiewicz?

Neither brand is universally better. Conn has 27 models and Marcinkiewicz has 71. 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 Marcinkiewicz cornet mouthpieces compare in size?

Conn averages 16.40mm cup diameter with N/Amm throat. Marcinkiewicz averages 17.00mm cup diameter with 4.26mm throat.