Which has a bigger cup — Conn Precision 4 or Giardinelli 6VM?

The Giardinelli 6VM has a cup diameter of 16.70 mm / 0.6575 in compared to 16.41 mm / 0.6461 in on the Conn Precision 4 — a difference of 0.29 mm / 0.0114 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Conn Precision 4 and Giardinelli 6VM?

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

Conn Precision 4 vs Giardinelli 6VM

Name: Giardinelli 6VM
Brand: Giardinelli

The Giardinelli 6VM has a wider cup diameter.

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

Conn Precision 4

• Cornet

General

Backbore—

Best suited for

🎵All-round versatile — balanced cup for general playing

📋Players with large lips; close to Bach 2C/Schilke 16C4

🎶Bright tone; same as Model 3 with wide rim

Mouthpiece B

Giardinelli 6VM

• Cornet

Backbore—

Best suited for

🎵All-round versatile — balanced cup for general playing

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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Conn Precision 4 vs Giardinelli 6VM

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Conn Precision 4 with others

Compare Giardinelli 6VM with others

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