Conn Harry Glanz 9M vs Conn Imp. Precision 4
Both mouthpieces share similar core dimensions — the differences are in the details.
Mouthpiece A
Conn Harry Glanz 9M
• Cornet
LeadCup diameter—
Cup depthMedium
Rim width—
Throat diameter—
Backbore—
Finish—
MaterialSilver-plated brass
Best suited for
Harry Glanz signature model 9M
Lead/commercial; endorsed by Harry Glanz
vs
Mouthpiece B
Conn Imp. Precision 4
• Cornet
GeneralCup diameter16.41 mm / 0.6461 in
Cup depthMedium
Rim width—
Throat diameter—
Backbore—
Finish—
MaterialSilver-plated brass
Best suited for
All-round versatile — balanced cup for general playing
Players with large full lips; most common surviving example
Bright tone; same as Model 3 with wide rim
Cup Depth
Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.
Material
Both mouthpieces share the same listed material (Silver-plated brass).
Which is better?
The Conn Harry Glanz 9M is designed for lead playing, while the Conn Imp. Precision 4 targets general use. Your best choice depends on your musical context.