Conn Imp. Precision 3 vs Schilke 27
Both mouthpieces share similar core dimensions — the differences are in the details.
Mouthpiece A
Conn Imp. Precision 3
• French Horn
GeneralCup diameter—
Cup depthMedium
Rim width—
Throat diameter—
Backbore—
Finish—
MaterialSilver-plated brass
Best suited for
Bright French horn playing
Shallow cup; brighter tone
vs
Mouthpiece B
Schilke 27
• French Horn
Cup diameter16.25 mm / 0.6398 in
Cup depthMedium
Rim width—
Throat diameter—
Backbore116
Finish—
Material—
Best suited for
All-round versatile — balanced cup for general playing
Cup Depth
Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.
Material
The Conn Imp. Precision 3 is described as Silver-plated brass, and the Schilke 27 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.