Which has a bigger cup — Conn Imp. Precision 4 or Giardinelli 7M?

The Giardinelli 7M has a cup diameter of 16.50 mm / 0.6496 in compared to 16.41 mm / 0.6461 in on the Conn Imp. Precision 4 — a difference of 0.09 mm / 0.0035 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Conn Imp. Precision 4 and Giardinelli 7M?

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

Conn Imp. Precision 4 vs Giardinelli 7M

Name: Giardinelli 7M
Brand: Giardinelli

The Giardinelli 7M has a wider cup diameter.

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

The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.

Mouthpiece A

Conn Imp. Precision 4

• Cornet

General

Throat diameter—

Best suited for

🎵All-round versatile — balanced cup for general playing

📋Players with large full lips; most common surviving example

🎶Bright tone; same as Model 3 with wide rim

Mouthpiece B

Giardinelli 7M

• Cornet

Throat diameter—

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 Imp. Precision 4 vs Giardinelli 7M

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Conn Imp. Precision 4 with others

Compare Giardinelli 7M with others

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