Which has a bigger cup — Bruno Tilz 214-5 GE or Yamaha SL-48L?

The Bruno Tilz 214-5 GE has a cup diameter of 25.60 mm / 1.0079 in compared to 25.25 mm / 0.9941 in on the Yamaha SL-48L — a difference of 0.35 mm / 0.0138 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bruno Tilz 214-5 GE and Yamaha SL-48L?

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

Bruno Tilz 214-5 GE vs Yamaha SL-48L

Name: Yamaha SL-48L
Brand: Yamaha

The Bruno Tilz 214-5 GE has a wider cup diameter, the Bruno Tilz 214-5 GE has a larger throat opening.

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

The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.

Mouthpiece A

Bruno Tilz 214-5 GE

• Trombone

Catalog

Throat diameter7.00 mm / 0.2756 in

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Yamaha SL-48L

• Trombone

Throat diameter6.62 mm / 0.2606 in

Best suited for

📣High-volume projection — open throat for power

Throat Diameter

The Bruno Tilz 214-5 GE has a wider throat (7.00 mm / 0.2756 in vs 6.62 mm / 0.2606 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.

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Bruno Tilz 214-5 GE vs Yamaha SL-48L

Throat Diameter

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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