How does cup depth compare between Conn Precision 2 and Yamaha SL-48S-GP?

The Conn Precision 2 has a deep cup while the Yamaha SL-48S-GP has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Conn Precision 2 vs Yamaha SL-48S-GP

Name: Yamaha SL-48S-GP
Brand: Yamaha

the Conn Precision 2 features a deeper cup.

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 Precision 2

• Trombone

Lead

Finish—

Best suited for

📋Solo work; high register; bright

🎶Big bright tone; excellent solo

Mouthpiece B

Yamaha SL-48S-GP

• Trombone

Finish—

Best suited for

📣High-volume projection — open throat for power

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.

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Conn Precision 2 vs Yamaha SL-48S-GP

Playing Characteristics

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