Denis Wick 4AL vs Giardinelli 3G
the Denis Wick 4AL has a larger throat opening.
Mouthpiece A
Denis Wick 4AL
• Trombone
Cup diameter26.00 mm / 1.0236 in
Cup depthVery deep
Rim width6.72 mm / 0.2646 in
Throat diameter7.38 mm / 0.2906 in
Backborebarrel
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Giardinelli 3G
• Trombone
Cup diameter26.00 mm / 1.0236 in
Cup depthVery deep
Rim width—
Throat diameter7.00 mm / 0.2756 in
BackboreJ (.277)"
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 26.00 mm / 1.0236 in.
Cup Depth
Both mouthpieces share a very deep cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
The Denis Wick 4AL has a wider throat (7.38 mm / 0.2906 in vs 7.00 mm / 0.2756 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.
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.