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Bach 12C vs Monette Unity TS6

The Monette Unity TS6 has a wider cup diameter, the Monette Unity TS6 features a deeper cup, the Monette Unity TS6 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 12C
    • Trombone
    Throat diameter5.85 mm / 0.2303 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Monette Unity TS6
      • Trombone
      Throat diameter6.63 mm / 0.2610 in
      Best suited for
      📣High-volume projection — open throat for power

      Throat Diameter

      The Monette Unity TS6 has a wider throat (6.63 mm / 0.2610 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 12C details Monette Unity TS6 details Bach 12C equivalents Monette Unity TS6 equivalents

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