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

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

Conn Imp. Precision 3 vs Conn Precision 1

Name: Conn Precision 1
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

The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.

Mouthpiece A

Conn Imp. Precision 3

• Trombone

General

Rim width—

Best suited for

📋Large lips; all band work

🎶Full round tone

Mouthpiece B

Conn Precision 1

• Trombone

Orchestral

Rim width—

Best suited for

📋Large bore trombones; symphony work

🎶Good clear tone; large bore symphonic

Which is better?

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

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Conn Imp. Precision 3 vs Conn Precision 1

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Conn Imp. Precision 3 with others

Compare Conn Precision 1 with others

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