Bach 8½A vs Conn Harry Glanz 9M
the Bach 8½A features a deeper cup.
Mouthpiece A
Bach 8½A
• Cornet
Cup diameter16.10 mm / 0.6339 in
Cup depthVery deep
Rim width—
Throat diameter3.66 mm / 0.1441 in
Backbore—
Finish—
Material—
vs
Mouthpiece B
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
Cup Depth
The Bach 8½A has a very deep cup while the Conn Harry Glanz 9M has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Material
The Bach 8½A is described as unspecified, and the Conn Harry Glanz 9M as Silver-plated brass. 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.