Conn Connstellation 7BN vs Yamaha HR-31-GP
the Conn Connstellation 7BN features a deeper cup.
Mouthpiece A
Conn Connstellation 7BN
• 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 7; smaller cup; more compact tone; Narrow rim; smaller inner radius; sharper bite.
vs
Mouthpiece B
Yamaha HR-31-GP
• French Horn
Cup diameter17.28 mm / 0.6803 in
Cup depthMedium
Rim width—
Throat diameter4.40 mm / 0.1732 in
BackboreSemi-narrow
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Depth
The Conn Connstellation 7BN has a very deep cup while the Yamaha HR-31-GP has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Material
The Conn Connstellation 7BN is described as Silver-plated brass, and the Yamaha HR-31-GP 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.