Conn Harry Glanz 9M vs Conn Imp. Precision 4
Both mouthpieces share similar core dimensions — the differences are in the details.
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
Conn Harry Glanz 9M
• Cornet
LeadCup depthMedium
Best suited for
Harry Glanz signature model 9M
Lead/commercial; endorsed by Harry Glanz
vs
Mouthpiece B
Conn Imp. Precision 4
• Cornet
GeneralCup depthMedium
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.
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.