Which has a bigger cup — Bob Reeves 4G-5G or Giardinelli 2G?

The Giardinelli 2G has a cup diameter of 26.50 mm / 1.0433 in compared to 26.00 mm / 1.0236 in on the Bob Reeves 4G-5G — a difference of 0.50 mm / 0.0197 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bob Reeves 4G-5G and Giardinelli 2G?

The Giardinelli 2G has a very deep cup while the Bob Reeves 4G-5G has a deep cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bob Reeves 4G-5G vs Giardinelli 2G

Name: Giardinelli 2G
Brand: Giardinelli

The Giardinelli 2G has a wider cup diameter, the Giardinelli 2G features a deeper cup.

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

Bob Reeves 4G-5G

• Trombone

Backbore—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

Mouthpiece B

Giardinelli 2G

• Trombone

Backbore9/32 (.281)"

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣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-5G details Giardinelli 2G details Bob Reeves 4G-5G equivalents Giardinelli 2G equivalents

Bob Reeves 4G-5G vs Giardinelli 2G

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Bob Reeves 4G-5G with others

Compare Giardinelli 2G with others

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Bob Reeves vs Giardinelli

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