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XO 1236L Professional Trombone - F Attachment, Clear Lacquer

Tenor Trombone with 8.5" Yellow Brass Bell, Closed Wrap F Attachment, 0.547" Bore, 0.563" Attachment Bore, 3 Interchangeable Leadpipes, Yellow Brass Outer Slide, and Chrome Inner Slide - Clear Lacquer
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Item ID: XO1236L
XO 1236L Professional Trombone - F Attachment, Clear Lacquer
Price:$4,384 and 00 cents
Special Financing - Ends May 17, 2026. $92/month with 48 month financing*

New! Band and orchestra instrument rentals.
We Can Get It!

While this isn't an item we normally stock, we can still get it to you as fast as possible due to our great relationship with XO. Go ahead and place your order and we'll follow up shortly to let you know when to expect it. Estimated May 2026.

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XO 1236L Professional Trombone - F Attachment, Clear Lacquer
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Price:$4,384 and 00 cents
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Professional-level Sound Made Accessible

Looking for a premium trombone with boutique appointments? That’s what you get with the XO 1236L. This tenor trombone comes with a highly responsive 2-piece yellow brass bell for robust projection. The professional-level large-bore design comes with a 0.563-inch F attachment bore and traditional closed-style wrap. Players around Sweetwater find that this trombone's three interchangeable leadpipes let every player customize the instrument’s feel. Other top-level features include a reversed tuning slide, a gold-plated rotary valve, mechanical linkage, and expertly fit outer and inner slides. Your purchase includes a removable gold-plated balance, a mouthpiece, and a case. Choose the XO 1236L trombone for outstanding tone and playability.

2-piece yellow brass bell

A trombone’s bell is the heart and soul of the sound. XO knows this, which is why the company fitted this trombone with a 2-piece yellow brass bell. Flaring to an impressive 8.5 inches in diameter, the bell offers up a well-balanced tone with a lively response at louder dynamics. The expansive bell width also allows for a nuanced sound through all registers and dynamics. XO’s 2-piece design gives the trombone a controlled resonance and super-consistent sound. You’ll appreciate the 1236L’s superb sound from the moment you play your first notes.

Customize your playing experience with interchangeable leadpipes

XO is committed to delivering the best possible playing experience with each of its instruments. A trombone should feel like a perfectly natural extension of yourself, and breath resistance plays a major role in achieving that “perfect” feeling. The 1236L comes with three interchangeable leadpipes, so you can customize the horn to fit your unique tonal needs. What’s more, XO included a removable gold-plated counterweight to further customize the feel of your 1236L trombone.

XO brass meets the mark for today’s top players

The XO brand was born out of the vision of Koichi Haido, Chief Instrument Technician at the Global Corporation in Japan. Designed for today’s top players, XO brass instruments leverage the industry’s leading performance options. The company’s specially tailored features enhance the performer’s experience with incredible sound, clarity, and resonance, at all volumes, in all venues, and under any performance demand you may encounter. Each XO instrument is inspected for quality throughout the manufacturing process, ensuring it can endure bumps and bruises as easily as navigating challenging technical passages. Sweetwater strives to meet the demands of our professional-level customers, and XO instruments meet the mark.

XO 1236L Features:

  • Professional-level tenor trombone
  • Traditional closed-wrap design
  • Symphonic-size 0.547-in. bore offers a free-blowing feel and focused tone
  • 8.5-in., 2-piece yellow brass bell produces a warm, classic tone
  • Expertly fit slide responds to your slightest touch
  • Interchangeable leadpipes allow you to customize the horn’s response
  • Tapered rotary valve and mechanical linkage deliver rock-solid triggering
  • Detachable gold-plated counterweight enables the user to tailor the instrument’s balance
  • Clear lacquer finish contributes a warm tonal quality
  • Includes JBM-L65AL mouthpiece and Session-style case

Warranty Info

Sweetwater's FREE 2-Year Total Confidence Coverage Warranty

Extra peace of mind at no extra cost.

  • Save money with FREE parts and labor
  • Get back to making music with the industry's fastest turnaround time
  • Fix it the first time with our award-winning, factory-certified Service Department
Learn More about Total Confidence Coverage
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Tech Specs

  • Key: Bb with F Attachment
  • Type: Tenor
  • Wrap: Traditional Closed
  • Valve: Rotary
  • Level: Professional
  • Finish: Clear Lacquer
  • Bore: 0.547" Primary Large, 0.563" F Section
  • Bell: 8.5", 2-piece
  • Bell Material: Yellow Brass
  • Inner Slide: Chrome-plated
  • Outer Slide: Yellow Brass
  • Leadpipe: 3 x Interchangeable
  • Leadpipe Material: Yellow Brass (200mm, 230mm), Sterling SIlver (200mm)
  • Mouthpiece: Jupiter 6.5AL
  • Receiver: Large Shank
  • Additional Features: Removable Counterweight
  • Case/Bag: Hardshell Case
  • Manufacturer Part Number: 1236L

What Makes Our Sales Engineers Great?

Sweetwater Sales Engineers are a world-class team of experts dedicated to you. Hand selected from across the globe, each brings a wealth of experience and expertise in the world of music gear to provide you with unparalleled service completely free of charge. Friendly relationships, real trust, and the right gear are only a call or a click away!

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See also: XO, XO Trombones