Jupiter XO 1236RL-T Tenor Trombone Overview
The XO 1236RL-T is a professional large-bore Bb/F tenor trombone built for players who want an orchestral-style instrument with a rose brass bell, open-wrap F attachment, and Thru-Flo valve design. XO's professional trombones are designed for advanced students, serious ensemble players, and working musicians who need a responsive large-bore tenor with a refined feel and dependable projection. This instrument is offered in lacquer with serial number CB05881.
Jupiter XO 1236RL-T Tenor Trombone Specifications
- Instrument Type: Professional tenor trombone
- Key: Bb/F
- Model: 1236RL-T
- Bore Size: .547 inch large bore with .563 inch F-section
- Bell: 8.5 inch rose brass bell
- Valve: Thru-Flo valve, an axial flow (Thayer-style) valve
- Finish: Clear lacquer
- Case: XO Designer Series case
- Accessories: Large-shank 6 1/2AL mouthpiece, valve oil, slide cream, polish cloth
- Serial Number: CB05881
Condition & Setup
This open-box XO 1236RL-T is in excellent playing order and has been professionally inspected, set up, and play-tested by The Mighty Quinn Brass and Winds. The instrument presents very clean overall with a glossy lacquer finish. Light surface scratches and handling scuffs are present on the slide and receiver areas, consistent with careful open-box handling.
Who the 1236RL-T Tenor Trombone Is For
The 1236RL-T is suited to advancing and professional tenor trombonists who want a large-bore Bb/F instrument for concert band, orchestra, wind ensemble, college study, and serious ensemble playing. The rose brass bell gives this model a warm-centered tonal direction, while the open-wrap F attachment and Thru-Flo valve design are intended to support an open feel through the valve register. It is a strong fit for players who prefer a modern professional tenor trombone with flexible response and a full symphonic voice.
Common Questions About the XO 1236RL-T
How does the 1236RL-T fit within the XO trombone lineup?
The 1236RL-T sits in XO's professional tenor trombone line as a large-bore Bb/F model with a rose brass bell, open-wrap F attachment, and Thru-Flo valve. It is built for players who need a serious ensemble instrument rather than a student or step-up trombone.
What does the Thru-Flo valve design offer a tenor trombone player?
The Thru-Flo valve design is intended to provide a more open feel through the F attachment than a conventional rotor layout. For players who use the valve register frequently, that can make slurs, low-register passages, and technical valve work feel more connected.
Why choose a rose brass bell on a large-bore tenor trombone?
A rose brass bell is often chosen by players seeking a warmer, broader tonal color while retaining the focus needed for large ensemble playing. On a large-bore Bb/F tenor, that tonal character can be useful for orchestral, wind ensemble, and lyrical solo work.
We are proud to be an authorized Jupiter XO dealer
In stock! Ships within 1-2 business days.
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99
Jupiter XO 1236RL-T Professional Tenor Trombone in Lacquer
Jupiter XO 1236RL-T Tenor Trombone Overview
The XO 1236RL-T is a professional large-bore Bb/F tenor trombone built for players who want an orchestral-style instrument with a rose brass bell, open-wrap F attachment, and Thru-Flo valve design. XO's professional trombones are designed for advanced students, serious ensemble players, and working musicians who need a responsive large-bore tenor with a refined feel and dependable projection. This instrument is offered in lacquer with serial number CB05881.
Jupiter XO 1236RL-T Tenor Trombone Specifications
- Instrument Type: Professional tenor trombone
- Key: Bb/F
- Model: 1236RL-T
- Bore Size: .547 inch large bore with .563 inch F-section
- Bell: 8.5 inch rose brass bell
- Valve: Thru-Flo valve, an axial flow (Thayer-style) valve
- Finish: Clear lacquer
- Case: XO Designer Series case
- Accessories: Large-shank 6 1/2AL mouthpiece, valve oil, slide cream, polish cloth
- Serial Number: CB05881
Condition & Setup
This open-box XO 1236RL-T is in excellent playing order and has been professionally inspected, set up, and play-tested by The Mighty Quinn Brass and Winds. The instrument presents very clean overall with a glossy lacquer finish. Light surface scratches and handling scuffs are present on the slide and receiver areas, consistent with careful open-box handling.
Who the 1236RL-T Tenor Trombone Is For
The 1236RL-T is suited to advancing and professional tenor trombonists who want a large-bore Bb/F instrument for concert band, orchestra, wind ensemble, college study, and serious ensemble playing. The rose brass bell gives this model a warm-centered tonal direction, while the open-wrap F attachment and Thru-Flo valve design are intended to support an open feel through the valve register. It is a strong fit for players who prefer a modern professional tenor trombone with flexible response and a full symphonic voice.
Common Questions About the XO 1236RL-T
How does the 1236RL-T fit within the XO trombone lineup?
The 1236RL-T sits in XO's professional tenor trombone line as a large-bore Bb/F model with a rose brass bell, open-wrap F attachment, and Thru-Flo valve. It is built for players who need a serious ensemble instrument rather than a student or step-up trombone.
What does the Thru-Flo valve design offer a tenor trombone player?
The Thru-Flo valve design is intended to provide a more open feel through the F attachment than a conventional rotor layout. For players who use the valve register frequently, that can make slurs, low-register passages, and technical valve work feel more connected.
Why choose a rose brass bell on a large-bore tenor trombone?
A rose brass bell is often chosen by players seeking a warmer, broader tonal color while retaining the focus needed for large ensemble playing. On a large-bore Bb/F tenor, that tonal character can be useful for orchestral, wind ensemble, and lyrical solo work.
We are proud to be an authorized Jupiter XO dealer
Pairs well with
In stock! Ships within 1-2 business days.
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99
Jupiter XO 1236RL-T Professional Tenor Trombone in Lacquer
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
Orders valued over $99 ship via FedEx 2-Day within the U.S. and via DHL internationally. A physical address (no P.O. Boxes) and signature are required. Smaller accessories ship via USPS (2–5 day service) and do not require a signature if valued under $99. Please see our FAQ for additional details.
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Return Policy
We offer an unconditional 30-day return policy to ensure you’re completely satisfied. If you’re unhappy for any reason, return the item for a full refund or full exchange credit (reeds and other consumables are non-returnable once opened). Every instrument we sell is guaranteed to be free of mechanical defects—if an issue arises, contact us and we’ll either reimburse a local repair or provide a prepaid return label for repair, exchange, or refund. If you simply change your mind, you may still return the item for a full refund, but return shipping costs are the customer’s responsibility unless free returns were purchased through Redo at checkout. Please see our FAQ for additional details.
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Shop Warranty:
Brand new items are covered by the full manufacturer’s warranty unless otherwise noted (see the individual maker for details). Open box/refurbished, used, and vintage items include a two-year warranty serviced by our in-house repair shop, and we guarantee every instrument will be free of mechanical defects. Warranty coverage does not include damage from accident, misuse, negligence, improper operation, unauthorized alterations or removed serial numbers, normal wear and routine maintenance, environmental damage (including perspiration, corrosion, or extreme temperature and humidity), lacquer or plating wear, or consumable parts such as springs, pads, and felts. Please see our FAQ for additional details.