Which has a bigger cup — Giardinelli 6M or Schilke 45?

The Giardinelli 6M has a cup diameter of 24.50 mm / 0.9646 in compared to 24.38 mm / 0.9598 in on the Schilke 45 — a difference of 0.12 mm / 0.0047 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Giardinelli 6M and Schilke 45?

Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.

Giardinelli 6M vs Schilke 45

Name: Schilke 45
Brand: Schilke

The Giardinelli 6M has a wider cup diameter, the Schilke 45 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

Giardinelli 6M

• Trombone

Backbore.228"

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Schilke 45

• Trombone

Backbore15/64 .2344"

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.

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Giardinelli 6M vs Schilke 45

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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