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Bach 8½A vs Marcinkiewicz E8.7M. Gillette (Standard)

The Marcinkiewicz E8.7M. Gillette (Standard) has a wider cup diameter, the Marcinkiewicz E8.7M. Gillette (Standard) has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
    Bach 8½A
    • Cornet
    Cup diameter16.10 mm / 0.6339 in
    vs
    Mouthpiece B
      Marcinkiewicz E8.7M. Gillette (Standard)
      • Cornet
      Cup diameter16.33 mm / 0.6429 in
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Marcinkiewicz E8.7M. Gillette (Standard) has a cup diameter of 16.33 mm / 0.6429 in compared to 16.10 mm / 0.6339 in on the Bach 8½A — a difference of 0.23 mm / 0.0091 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      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 8½A details Marcinkiewicz E8.7M. Gillette (Standard) details Bach 8½A equivalents Marcinkiewicz E8.7M. Gillette (Standard) equivalents

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      Compare Marcinkiewicz E8.7M. Gillette (Standard) with others

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