Which has a bigger cup — Bob Reeves 4G or Marcinkiewicz 8H-S?

The Marcinkiewicz 8H-S has a cup diameter of 26.06 mm / 1.0260 in compared to 26.00 mm / 1.0236 in on the Bob Reeves 4G — a difference of 0.06 mm / 0.0024 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bob Reeves 4G and Marcinkiewicz 8H-S?

The Bob Reeves 4G has a very deep cup while the Marcinkiewicz 8H-S has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bob Reeves 4G vs Marcinkiewicz 8H-S

Name: Marcinkiewicz 8H-S
Brand: Marcinkiewicz

The Marcinkiewicz 8H-S has a wider cup diameter, the Bob Reeves 4G features a deeper cup.

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

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Bob Reeves 4G

• Trombone

Material—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

Mouthpiece B

Marcinkiewicz 8H-S

• Trombone

Material—

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 Bob Reeves 4G details Marcinkiewicz 8H-S details Bob Reeves 4G equivalents Marcinkiewicz 8H-S equivalents

Bob Reeves 4G vs Marcinkiewicz 8H-S

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