Conn Connstellation 3BW vs Yamaha HR-30D4
the Conn Connstellation 3BW features a deeper cup.
Mouthpiece A
Conn Connstellation 3BW
• French Horn
OrchestralCup diameter—
Cup depthVery deep
Rim width—
Throat diameter—
Backbore—
Finish—
MaterialSilver-plated brass
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-30D4
• French Horn
Cup diameter17.08 mm / 0.6724 in
Cup depthDeep
Rim width—
Throat diameter4.50 mm / 0.1772 in
BackboreSemi-narrow
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
Cup Depth
The Conn Connstellation 3BW has a very deep cup while the Yamaha HR-30D4 has a deep cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Material
The Conn Connstellation 3BW is described as Silver-plated brass, and the Yamaha HR-30D4 as unspecified. Material affects mass, warmth, and how quickly the piece responds.
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.