How does cup depth compare between Conn Imp. Precision 1 and Conn Precision 3?

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

Conn Imp. Precision 1 vs Conn Precision 3

Name: Conn Precision 3
Brand: Conn

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

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

Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.

Mouthpiece A

Conn Imp. Precision 1

• Trombone

Orchestral

Finish—

Best suited for

📋Large bore trombones; symphony

🎶Good clear tone; large bore symphonic

Mouthpiece B

Conn Precision 3

• Trombone

General

Finish—

Best suited for

📋Musicians with large lips; all kinds of band work

🎶Full round tone; ideal for large lips

Which is better?

The Conn Imp. Precision 1 is designed for orchestral playing, while the Conn Precision 3 targets general use. Your best choice depends on your musical context.

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Conn Imp. Precision 1 vs Conn Precision 3

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Conn Imp. Precision 1 with others

Compare Conn Precision 3 with others

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