Conn vs Marcinkiewicz Trombone Mouthpieces

Conn offers 19 trombone mouthpieces (made in United States), while Marcinkiewicz has 75 models (made in United States). Below we compare both lineups side by side to help you choose the right brand for your playing style.

Conn

Models19

Avg cup—

Avg throat—

Common styleGeneral

CountryUnited States

Marcinkiewicz

Models75

Avg cup26.20mm

Avg throat6.60mm

Common style—

CountryUnited States

Conn vs Marcinkiewicz — head-to-head comparisons

All models

Conn (19)

Marcinkiewicz (75)

ET3C. Loper

25.10mm · Deep

6E-S (Standard (Bass))

Frequently asked questions

Which brand makes better trombone mouthpieces — Conn or Marcinkiewicz?

Neither brand is universally better. Conn has 19 models and Marcinkiewicz has 75. 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 trombone mouthpieces compare in size?

Conn averages N/Amm cup diameter with N/Amm throat. Marcinkiewicz averages 26.20mm cup diameter with 6.60mm throat.

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