Which has a bigger cup — Bach 15E or Bruno Tilz 214-D 1?

The Bruno Tilz 214-D 1 has a cup diameter of 24.50 mm / 0.9646 in compared to 24.40 mm / 0.9606 in on the Bach 15E — a difference of 0.10 mm / 0.0039 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 15E and Bruno Tilz 214-D 1?

Both mouthpieces share a shallow cup depth, so the sound character from depth alone will be very similar.

Bach 15E vs Bruno Tilz 214-D 1

Name: Bruno Tilz 214-D 1
Brand: Bruno Tilz

The Bruno Tilz 214-D 1 has a wider cup diameter, the Bach 15E has a larger throat opening.

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

The taper behind the throat leading to the shank. Affects projection and tone character.

Mouthpiece A

Bach 15E

• Trombone

Backbore—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Bruno Tilz 214-D 1

• Trombone

Catalog

Backbore—

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 15E details Bruno Tilz 214-D 1 details Bach 15E equivalents Bruno Tilz 214-D 1 equivalents

Bach 15E vs Bruno Tilz 214-D 1

Playing Characteristics

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Which is better?

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