Which has a bigger cup — Bob Reeves 43/DF or Bob Reeves 43W/FE?

Both mouthpieces have virtually identical cup diameters at 17.07 mm.

How does cup depth compare between Bob Reeves 43/DF and Bob Reeves 43W/FE?

The Bob Reeves 43/DF has a deep cup while the Bob Reeves 43W/FE has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bob Reeves 43/DF vs Bob Reeves 43W/FE

the Bob Reeves 43/DF 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

Bob Reeves 43/DF

• Flugelhorn

Throat diameter—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

Mouthpiece B

Bob Reeves 43W/FE

• Flugelhorn

Throat diameter—

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.