Marcinkiewicz W1 vs Marcinkiewicz W3
the Marcinkiewicz W3 features a deeper cup.
Mouthpiece A
Marcinkiewicz W1
• Tuba
Cup diameter33.66 mm / 1.3252 in
Cup depthShallow
Rim width—
Throat diameter7.67 mm / 0.3020 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Marcinkiewicz W3
• Tuba
Cup diameter33.66 mm / 1.3252 in
Cup depthMedium
Rim width—
Throat diameter7.67 mm / 0.3020 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 33.66 mm / 1.3252 in.
Cup Depth
The Marcinkiewicz W3 has a medium cup while the Marcinkiewicz W1 has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
Throat diameters are essentially identical at 7.67 mm / 0.3020 in, so resistance feel will be comparable.
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.