Which has a bigger cup — Bach 12E or Denis Wick 5ABL?

The Denis Wick 5ABL has a cup diameter of 25.73 mm / 1.0130 in compared to 24.50 mm / 0.9646 in on the Bach 12E — a difference of 1.23 mm / 0.0484 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 12E and Denis Wick 5ABL?

The Denis Wick 5ABL has a medium cup while the Bach 12E has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 12E vs Denis Wick 5ABL

Name: Denis Wick 5ABL
Brand: Denis Wick

The Denis Wick 5ABL has a wider cup diameter, the Denis Wick 5ABL features a deeper cup, the Denis Wick 5ABL has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.

Mouthpiece A

Bach 12E

• Trombone

Finish—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Denis Wick 5ABL

• Trombone

Finish—

Best suited for

📣High-volume projection — open throat for power

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.

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Bach 12E vs Denis Wick 5ABL

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