Which has a bigger cup — Marcinkiewicz CH W1 or Marcinkiewicz ETU1J. Self?

The Marcinkiewicz CH W1 has a cup diameter of 33.66 mm / 1.3252 in compared to 33.15 mm / 1.3051 in on the Marcinkiewicz ETU1J. Self — a difference of 0.51 mm / 0.0201 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Marcinkiewicz CH W1 and Marcinkiewicz ETU1J. Self?

Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.

Marcinkiewicz CH W1 vs Marcinkiewicz ETU1J. Self

Name: Marcinkiewicz ETU1J. Self
Brand: Marcinkiewicz

The Marcinkiewicz CH W1 has a wider cup diameter, the Marcinkiewicz ETU1J. Self has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.

Mouthpiece A

Marcinkiewicz CH W1

• Tuba

Finish—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Marcinkiewicz ETU1J. Self

• Tuba

Finish—

Best suited for

📣High-volume projection — open throat for power

Which is better?

Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.

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Marcinkiewicz CH W1 vs Marcinkiewicz ETU1J. Self

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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