How does cup depth compare between Conn Precision 3A and Conn Precision 4?

The Conn Precision 4 has a — cup while the Conn Precision 3A has a — cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Conn Precision 3A vs Conn Precision 4

Name: Conn Precision 4
Brand: Conn

the Conn Precision 4 features a deeper cup.

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 3A

• Trombone

General

Backbore—

Best suited for

📋General trombone use

🎶Good round tone in all registers; all-around

Mouthpiece B

Conn Precision 4

• Trombone

Orchestral

Backbore—

Best suited for

📋Bass trombone

🎶Full rich deep tone quality

Which is better?

The Conn Precision 3A is designed for general playing, while the Conn Precision 4 targets orchestral use. Your best choice depends on your musical context.