Which has a bigger cup — Bach 14D or Marcinkiewicz 8H-S?

The Marcinkiewicz 8H-S has a cup diameter of 26.06 mm / 1.0260 in compared to 24.50 mm / 0.9646 in on the Bach 14D — a difference of 1.56 mm / 0.0614 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 14D and Marcinkiewicz 8H-S?

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

Bach 14D vs Marcinkiewicz 8H-S

Name: Marcinkiewicz 8H-S
Brand: Marcinkiewicz

The Marcinkiewicz 8H-S has a wider cup diameter, the Marcinkiewicz 8H-S has a larger throat opening.

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

The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.

Mouthpiece A

Bach 14D

• Trombone

Throat diameter5.85 mm / 0.2303 in

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Marcinkiewicz 8H-S

• Trombone

Throat diameter6.76 mm / 0.2661 in

Best suited for

📣High-volume projection — open throat for power

Throat Diameter

The Marcinkiewicz 8H-S has a wider throat (6.76 mm / 0.2661 in vs 5.85 mm / 0.2303 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.

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.

Open in interactive tool + Add third mouthpiece Bach 14D details Marcinkiewicz 8H-S details Bach 14D equivalents Marcinkiewicz 8H-S equivalents

Bach 14D vs Marcinkiewicz 8H-S

Throat Diameter

Playing Characteristics

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Which is better?

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