Which has a bigger cup — Bach 12E or Denis Wick 6BL?

The Denis Wick 6BL has a cup diameter of 25.40 mm / 1.0000 in compared to 24.50 mm / 0.9646 in on the Bach 12E — a difference of 0.90 mm / 0.0354 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 6BL?

The Denis Wick 6BL 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 6BL

Name: Denis Wick 6BL
Brand: Denis Wick

The Denis Wick 6BL has a wider cup diameter, the Denis Wick 6BL features a deeper cup, the Denis Wick 6BL has a larger throat opening.

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

The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.

Mouthpiece A

Bach 12E

• Trombone

Rim width—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Denis Wick 6BL

• Trombone

Rim width6.26 mm / 0.2465 in

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.

Open in interactive tool + Add third mouthpiece Bach 12E details Denis Wick 6BL details Bach 12E equivalents Denis Wick 6BL equivalents

Bach 12E vs Denis Wick 6BL

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