Which has a bigger cup — Bach 12E or Giardinelli 6M?

Both mouthpieces have virtually identical cup diameters at 24.50 mm / 0.9646 in.

How does cup depth compare between Bach 12E and Giardinelli 6M?

The Giardinelli 6M has a medium cup while the Bach 12E has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 12E vs Giardinelli 6M

Name: Giardinelli 6M
Brand: Giardinelli

the Giardinelli 6M features a deeper cup, the Bach 12E has a larger throat opening.

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

The taper behind the throat leading to the shank. Affects projection and tone character.

Mouthpiece A

Bach 12E

• Trombone

Backbore—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Giardinelli 6M

• Trombone

Backbore.228"

Best suited for

📣High-volume projection — open throat for power

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 12E details Giardinelli 6M details Bach 12E equivalents Giardinelli 6M equivalents

Bach 12E vs Giardinelli 6M

Playing Characteristics

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Which is better?

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