Which has a bigger cup — Marcinkiewicz 8-S or Yamaha SL-48L?

The Marcinkiewicz 8-S has a cup diameter of 25.93 mm / 1.0209 in compared to 25.25 mm / 0.9941 in on the Yamaha SL-48L — a difference of 0.68 mm / 0.0268 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Marcinkiewicz 8-S and Yamaha SL-48L?

The Yamaha SL-48L has a medium cup while the Marcinkiewicz 8-S has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Marcinkiewicz 8-S vs Yamaha SL-48L

Name: Yamaha SL-48L
Brand: Yamaha

The Marcinkiewicz 8-S has a wider cup diameter, the Yamaha SL-48L features a deeper cup.

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

Marcinkiewicz 8-S

• Trombone

Throat diameter6.63 mm / 0.2610 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

Throat diameters are essentially identical at 6.63 mm / 0.2610 in, so resistance feel will be comparable.

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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Marcinkiewicz 8-S vs Yamaha SL-48L

Throat Diameter

Playing Characteristics

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