How does cup depth compare between Conn Imp. Precision 1 and Conn Precision 4?

The Conn Imp. Precision 1 has a — cup while the Conn Precision 4 has a deep cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Conn Imp. Precision 1 vs Conn Precision 4

Name: Conn Precision 4
Brand: Conn

the Conn Imp. Precision 1 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 Imp. Precision 1

• Tuba

Orchestral

Backbore—

Best suited for

📋BBb bass / sousaphone orchestral

🎶Exceptionally full deep rich tone

Mouthpiece B

Conn Precision 4

• Tuba

General

Backbore—

Best suited for

📋Small Eb bass

🎶Full rich tone

Which is better?

The Conn Imp. Precision 1 is designed for orchestral playing, while the Conn Precision 4 targets general use. Your best choice depends on your musical context.