Marcinkiewicz CH 12S vs Marcinkiewicz CH 13S
Both mouthpieces share similar core dimensions — the differences are in the details.
Mouthpiece A
Marcinkiewicz CH 12S
• Trumpet
Cup diameter16.31 mm
Cup depthVery deep
Rim width—
Throat diameter3.73 mm
Backbore—
Finish—
Material—
vs
Mouthpiece B
Marcinkiewicz CH 13S
• Trumpet
Cup diameter16.31 mm
Cup depthVery deep
Rim width—
Throat diameter3.73 mm
Backbore—
Finish—
Material—
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 16.31 mm.
Cup Depth
Both mouthpieces share a very deep cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
Throat diameters are essentially identical at 3.73 mm, 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.