1100 Series JTB1150FOS F Attachment Trombone

JTB1150FOS (Previous JSL-636S-O)
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Overview Specs


The Jupiter JTB1150FOS trombone features a .547" large bore design with an open-wrap F Attachment for a versatile, free blowing instrument with great projection. This trombone has become a favorite among educators.


  • Silver-Plated Brass Body is made from the highest quality brass and finished with a bright silver-plate ensuring fine playability and tonal brilliance
  • A Nickel Silver Outer Slides provides increased resistance to denting or damage to the instrument
  • Open-wrap F Attachment for free blowing


  • Key of Bb
  • Silver-Plated Finish
  • 8.5" Bell
  • Nickel Silver Outer Slide
  • .547" Large Bore
  • Mechanical-Link Tapered Rotary Valve
  • Bb with F Attachment
  • Open Wrap
  • With Wood-Frame Case (JTB1150FOS) or Backpack Softcase (JTB1150FOSQ)