Bach 10½C Flugel vs Giardinelli 17FL

The Bach 10½C Flugel has a wider cup diameter, the Giardinelli 17FL features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
    Bach 10½C Flugel
    • Flugelhorn
    Cup depthMedium
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Giardinelli 17FL
      • Flugelhorn
      Cup depthVery deep

      Cup Depth

      The Giardinelli 17FL has a very deep cup while the Bach 10½C Flugel has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      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 10½C Flugel details Giardinelli 17FL details Bach 10½C Flugel equivalents Giardinelli 17FL equivalents