Jupiter XO Model 1236RL Professional F-Attachment Tenor Trombone SN DB07694

Jupiter XO 1236RL Professional F-Attachment Trombone Overview

The Jupiter XO 1236RL is a professional Bb/F symphonic tenor trombone built around a .547 inch large-bore slide, a closed-wrap F-attachment, and a hand-crafted 8.5 inch rose brass bell. Jupiter’s XO line is a newer entrant in the professional category, and this model is known for a darker tonal center, quick response, and an open, secure trigger register. This instrument was an open-box display model and has been professionally serviced, set up, and play-tested in our shop.

Jupiter XO 1236RL Professional F-Attachment Trombone Specifications

• Key: Bb/F
• Bore: .547 inch primary bore with .563 inch F-attachment bore
• Bell: 8.5 inch hand-crafted bell
• Bell Material: Rose brass
• Leadpipe: Three interchangeable leadpipes
• F-Attachment: Closed wrap with standard rotary valve
• Handslide: Standard weight; brass outer slide with chrome-plated inner slide
• Finish: Lacquer
• Case: Original
• Accessories: 6.5AL Mouthpiece, Rotor Oil, Slide Cream, Polish Cloth

Condition & Setup

Open box (display model) in excellent condition. This instrument shows no signs of use. It has been professionally serviced, set up, and play-tested to confirm proper slide action, valve function, and overall response.

Who the 1236RL Professional F-Attachment Trombone Is For

The Jupiter XO 1236RL is a professional large-bore Bb/F symphonic tenor trombone designed for orchestral, wind ensemble, and serious studio or commercial players who need a broad tenor sound with dependable F-attachment facility. Its rose brass bell and large-bore setup support a darker tonal character and strong core, while the closed-wrap rotary F-attachment is intended to keep the trigger register feeling open and stable.

What distinguishes the 1236RL within its category is the combination of a hand-crafted rose brass bell and three interchangeable leadpipes, allowing players to fine-tune response and articulation to match different repertoire, mouthpieces, or section roles without changing instruments.

Common Questions About The Jupiter XO 1236RL

Is the Jupiter XO 1236RL suitable for professional symphonic playing?

Yes. The 1236RL is a professional-spec Bb/F large-bore tenor trombone with a .547 inch slide, rose brass bell, and rotary F-attachment—features commonly required for orchestral and wind ensemble performance.

What do the three interchangeable leadpipes change?

They allow you to adjust feel and response at the front of the instrument, including how quickly notes speak and how resistant the blow feels. Many players use them to match different mouthpieces, repertoire, or preferred articulation.

What does “open box” mean for this trombone?

It means the instrument was a store display model rather than a regularly played used instrument. It shows no signs of use and has been professionally serviced, set up, and play-tested before sale.

We are proud to be an authorized Jupiter XO dealer

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We want you to be happy and satisfied with your purchase, and we offer an unconditional 30 day return policy. If you are unhappy with your item for any reason, just return it for a full refund or full credit towards an exchange. (Reeds and other consumables are non-returnable once opened.)

We warranty every item we sell to be free of mechanical defects. If you find an issue with your purchase, please contact us. We will either reimburse you to have any minor repairs completed by your local repair shop, or we will send you a label to cover all return postage charges so that we can either repair your instrument, exchange your instrument, or issue you a refund for your instrument. We stand behind our products, and we truly want you to be happy.

Please note that if you simply change your mind about the purchase of an item - if you find that it's just not the one for you - you are still entitled to a full refund. We do not routinely charge a restocking fee; however, you will be responsible for the expense involved in shipping the item back to us if you have not purchased free returns through Redo at checkout. (Redo is available for domestic sales in the US only - international customers will be responsible for return shipping). Upon receipt of your return, our technicians will go over the instrument to ensure everything is in the same condition in which it was sold. Damage to the instrument, missing accessories, or unauthorized alterations/repairs may affect your refund. Your refund will be processed within 5 business days of our receipt of your return.

If more than five returns are requested within a calendar year, a 20% restocking fee will be assessed for every return moving forward for that calendar year.

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