How does cup depth compare between Bach 6½AL (large shank) and Conn Precision 2?

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

Bach 6½AL (large shank) vs Conn Precision 2

Name: Conn Precision 2
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

Bach 6½AL (large shank)

• Trombone

Rim width—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

Mouthpiece B

Conn Precision 2

• Trombone

Lead

Rim width—

Best suited for

📋Solo work; high register; bright

🎶Big bright tone; excellent solo

Which is better?

Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.

Open in interactive tool + Add third mouthpiece Bach 6½AL (large shank) details Conn Precision 2 details Bach 6½AL (large shank) equivalents Conn Precision 2 equivalents

Bach 6½AL (large shank) vs Conn Precision 2

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Bach 6½AL (large shank) with others

Compare Conn Precision 2 with others

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