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BTB-400 Tenor Trombone - CUSTOM

   
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Because every custom is made to order, production time varies depending on the level of customization and current build queue. Customers can typically expect a lead time of 6 to 10 weeks from the time specifications are finalized. More complex or highly specialized builds may require additional time to ensure every detail meets our exacting standards.

We believe that a professional instrument should be worth the wait—each custom is crafted with care to deliver exceptional performance, durability, and artistry.

Every Bell Trumpet is built for the player.
Need help choosing your setup? Contact us before ordering — we’ll make sure your horn fits your sound.

info@bellsinstrumentco.com





The BTB-400 Tenor Trombone is a solid choice for advancing students and developing performers who want a powerful sound and professional feel without the high price tag. Built for smooth playability and long-lasting reliability, this trombone delivers the tone and response players need to perform with confidence in any setting.

Featuring as 8½-inch bell, the BTB-400 produces a bold, resonant sound with excellent projection. Its .547" bore provides a full, rich tone across all registers, while the F-attachment expands range and flexibility for more advanced technique.

The lacquered finish offers a sleek appearance and durable protection, and the brass inner and outer slides ensure consistent, smooth action through years of use.

Specifications:

  • Key: Bb / F

  • Bell Material: Yellow Brass

  • Bell Diameter: 8½"

  • Bore Size: 0.547"

  • F Attachment: Brass Inner and Outer Slides

  • Finish: Lacquered

  • Includes: Case and mouthpiece

Perfect for: Advancing students or intermediate players ready for a responsive, full-sounding trombone built to perform and last.