Detail 01
.666 inch cup diameter
Just under the model 30. Small enough to firm up the upper register without losing horn-sized breadth.

Independent shopping perspective
Schilke 30B French horn mouthpiece, gold-plated. A .666-inch cup with a smaller B-style cup and a thin, flat rim. For players who want clarity over bulk.

Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
Just under the model 30. Small enough to firm up the upper register without losing horn-sized breadth.
Detail 02
Less cup volume than the standard 30. Response quickens and the sound tightens rather than spreading.
Detail 03
Less lip contact than a wide rounded rim. More articulation detail, less cushion on long sessions.
Detail 04
Mid-range here. Freer than the 28's .147 inch, far more resistant than the 32's .221 inch.
Detail 05
The reason this sits well above the silver-plated trumpet and cornet pieces in the same catalog.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
The 30 is the original Farkas model with a wide rounded rim and a fairly deep cup. The 30B uses a smaller B-style cup and a thin, flat rim.
16.92mm, or .666 inch, with a 14 throat measuring .182 inch. That puts it slightly under the 30 and well under the 32's .702 inch.
The smaller cup and thin rim favor definition and the upper end. For a mouthpiece built specifically around the high register, the 28 goes further.
It is gold-plated, while the Standard Series trumpet and cornet pieces at this catalog price are silver-plated.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.