Detail 01
F/Bb tuning
It is an F/Bb double French horn.

Independent shopping perspective
XO’s 1651N is a professional-level F/Bb double French horn with a Kruspe wrap and fixed nickel-silver bell. Its one-piece leadpipe is designed for smoother airflow, reduced resistance, and improved intonation. Tapered rotor valves use string linkage, and the instrument has a large 12.2-inch bell throat with a 12.2-inch bell diameter. It comes with a mouthpiece and XO Designer case, giving students and educators a complete professional-level horn package for regular playing and transport.

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 an F/Bb double French horn.
Detail 02
The nickel-silver bell is fixed rather than detachable.
Detail 03
The bore diameter measures 0.472 inches.
Detail 04
Both the bell diameter and large bell throat are specified at 12.2 inches.
Detail 05
It is designed to promote smoother airflow, reduced resistance, and superior intonation.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It is an F/Bb double French horn.
Yes. It includes an XO Designer case and a mouthpiece.
It uses a Kruspe wrap.
The fixed bell is nickel-silver.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.