Bach 1 vs Giardinelli 1M
the Bach 1 features a deeper cup.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bach 1
• Trumpet
Cup diameter17.50 mm / 0.6890 in
Best suited for
Orchestral playing — large cup for full, dark tone
vs
Mouthpiece B
Giardinelli 1M
• Trumpet
Cup diameter17.50 mm / 0.6890 in
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 17.50 mm / 0.6890 in.
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.