Bach 1C Flugel vs Bach 7A Flugel
The Bach 1C Flugel has a wider cup diameter, the Bach 7A Flugel features a deeper cup.
Mouthpiece A
Bach 1C Flugel
• Flugelhorn
Cup diameter17.00 mm
Cup depthMedium
Rim width—
Throat diameter3.99 mm
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Bach 7A Flugel
• Flugelhorn
Cup diameter16.20 mm
Cup depthVery deep
Rim width—
Throat diameter3.99 mm
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Bach 1C Flugel has a cup diameter of 17.00 mm compared to 16.20 mm on the Bach 7A Flugel — a difference of +0.80 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bach 7A Flugel has a very deep cup while the Bach 1C Flugel has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
Throat diameters are essentially identical at 3.99 mm, so resistance feel will be comparable.
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.