Which has a bigger cup — Bob Reeves 40/SV/692sL or Bob Reeves 40/SV/X?

Both mouthpieces have virtually identical cup diameters at 15.88 mm / 0.6252 in.

How does cup depth compare between Bob Reeves 40/SV/692sL and Bob Reeves 40/SV/X?

Both mouthpieces share a shallow cup depth, so the sound character from depth alone will be very similar.

Bob Reeves 40/SV/692sL vs Bob Reeves 40/SV/X

Name: Bob Reeves 40/SV/X
Brand: Bob Reeves

Both mouthpieces share similar core dimensions — the differences are in the details.

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 40/SV/692sL

• Trumpet

Backbore692sL

Best suited for

🎺Lead / commercial — shallow cup for brightness and range

Mouthpiece B

Bob Reeves 40/SV/X

• Trumpet

BackboreX

Best suited for

🎺Lead / commercial — shallow cup for brightness and range

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 40/SV/692sL details Bob Reeves 40/SV/X details Bob Reeves 40/SV/692sL equivalents Bob Reeves 40/SV/X equivalents

Bob Reeves 40/SV/692sL vs Bob Reeves 40/SV/X

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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