XO 1236-O Large Bore Open Wrap Tenor Trombone – Archive
XO Jupiter 1236-O, serial number TB00008, is a large bore open wrap tenor trombone in excellent condition. This model features a .547 bore with an 8.5" yellow brass bell, offering a broad, rich sound and great projection.
This horn has had no prior damage or repairs and is in top playing condition, with no service needs to improve playability. The slide action is excellent, and it includes three removable leadpipes, giving players the flexibility to adjust response and feel to their preference.
The 1236-O is the top professional model currently offered by Jupiter XO. As of 2025, these instruments retail in the $3,000–$3,800 range when new. This model is an excellent choice for players looking for a reliable, free-blowing open wrap tenor trombone suitable for band, orchestra, or solo work.
This instrument has no dents or dings, and the lacquer finish is in beautiful shape. It includes the original case and mouthpiece, making it a complete, ready-to-play package.
Why choose an open wrap tenor trombone like the XO 1236-O?
Open wrap tenor trombones provide a more free-blowing feel with less resistance in the F-attachment. This design is preferred by many players for its smooth response, cleaner articulations, and broader tonal palette, making it a versatile choice for large ensemble and solo settings alike.
This instrument is now archived and no longer available.
To see our current trombone inventory, visit The Brass Exchange trombones.
