Bach 1½C vs Conn Harry Glanz 9M
Both mouthpieces share similar core dimensions — the differences are in the details.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bach 1½C
• Cornet
Throat diameter3.66 mm / 0.1441 in
vs
Mouthpiece B
Conn Harry Glanz 9M
• Cornet
LeadThroat diameter—
Best suited for
Harry Glanz signature model 9M
Lead/commercial; endorsed by Harry Glanz
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.