Conn Connstellation 3BW vs Yamaha HR-30B
the Conn Connstellation 3BW features a deeper cup.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Conn Connstellation 3BW
• French Horn
OrchestralCup diameter—
Best suited for
French horn players
French horn size 3; smaller cup; more compact tone; Wide rim; larger rounded inner radius; less bite
vs
Mouthpiece B
Yamaha HR-30B
• French Horn
Cup diameter17.27 mm / 0.6799 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.