Detail 01
0.547-inch bore
This is the instrument’s large-bore configuration.

Independent shopping perspective
Built for advancing players seeking a large-bore trigger trombone, the JTB1150FOQ combines Bb/F tuning with a .547-inch bore and open-wrap F attachment. Its mechanically linked rotor is intended to give a responsive feel with freer airflow. The 8.5-inch yellow brass bell and lacquer finish match this configuration, while nickel-silver outer handslide tubes add protection to the slide and contribute to response. A case and mouthpiece are included.

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
This is the instrument’s large-bore configuration.
Detail 02
The design is intended to reduce airflow resistance while supporting response.
Detail 03
They add protection to the slide and help overall response.
Detail 04
Both are provided with the instrument.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It is tuned to Bb/F.
Yes. Both a case and mouthpiece are included.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.