Detail 01
#24 backbore
It is described as allowing a bigger, darker symphonic sound.

Independent shopping perspective
Bach's silver Symphonic Series 1.25C trumpet mouthpiece uses one of the line's popular custom configurations and is aimed at classical players. It is made from an original Bach design and CNC-machined to exact specifications for consistency and accuracy. The #24 backbore is described as supporting a bigger, darker symphonic sound, while the large #22 throat is identified as free-blowing.

Strong match
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
It is described as allowing a bigger, darker symphonic sound.
Detail 02
The large throat is described as free-blowing.
Detail 03
Each mouthpiece is crafted to exact specifications for consistency and accuracy.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
The series was designed with the classical player in mind.
It is described as allowing a bigger, darker symphonic sound.
It has a large, free-blowing #22 throat.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.