Denis Wick 10CS vs Denis Wick 9BL
the Denis Wick 9BL has a larger throat opening.
The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
Denis Wick 10CS
• Trombone
Rim width6.46 mm / 0.2543 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Denis Wick 9BL
• Trombone
Rim width6.46 mm / 0.2543 in
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.