Bach 1B vs Conn Harry Glanz 6M
the Bach 1B features a deeper cup.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bach 1B
• Cornet
Cup diameter17.00 mm / 0.6693 in
Best suited for
Orchestral playing — large cup for full, dark tone
vs
Mouthpiece B
Conn Harry Glanz 6M
• Cornet
LeadCup diameter—
Best suited for
Harry Glanz signature model 6M
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.