Which has a bigger cup — Curry 5 or Kelly 31?

The Kelly 31 has a cup diameter of 17.53 mm / 0.6902 in compared to 16.51 mm / 0.6500 in on the Curry 5 — a difference of 1.02 mm / 0.0402 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Curry 5 and Kelly 31?

The Kelly 31 has a — cup while the Curry 5 has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Curry 5 vs Kelly 31

Name: Kelly 31
Brand: Kelly

The Kelly 31 has a wider cup diameter, the Kelly 31 features a deeper cup, the Curry 5 has a larger throat opening.

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

Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.

Mouthpiece A

Curry 5

• French Horn

Finish—

Best suited for

🎵All-round versatile — balanced cup for general playing

📣High-volume projection — open throat for power

Mouthpiece B

Kelly 31

• French Horn

General

Finish—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

📋French horn deep cup

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 Curry 5 details Kelly 31 details Curry 5 equivalents Kelly 31 equivalents

Curry 5 vs Kelly 31

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Curry 5 with others

Compare Kelly 31 with others

Popular French Horn comparisons

Curry vs Kelly

Browse by specification