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

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Conn Precision 3A

• Trombone

General

MaterialSilver-plated brass

Best suited for

📋General trombone use

🎶Good round tone in all registers; all-around

Mouthpiece B

Conn Precision 4

• Trombone

Orchestral

MaterialSilver-plated brass

Best suited for

📋Bass trombone

🎶Full rich deep tone quality

Material

Both mouthpieces share the same listed material (Silver-plated brass).

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.

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Conn Precision 3A vs Conn Precision 4

Material

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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