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

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

Conn Imp. Precision 4 vs Conn Precision 4

Name: Conn Precision 4
Brand: Conn

Both mouthpieces share similar core dimensions — the differences are in the details.

The internal diameter of the cup, measured at the widest point inside the rim.

Mouthpiece A

Conn Imp. Precision 4

• Cornet

General

Cup diameter16.41 mm / 0.6461 in

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

Conn Precision 4

• Cornet

General

Cup diameter16.41 mm / 0.6461 in

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

Both mouthpieces have virtually identical cup diameters at 16.41 mm / 0.6461 in.

Both mouthpieces are categorized as "General" — the physical dimensions above will determine which suits your embouchure and playing style better.