The JP233 RATH is John Packer's Bb/F Single Valve Bass Trombone, developed in collaboration with UK trombone guru Michael Rath. This JP Rath design combines the simplicity of a single in-line rotary valve with a modern open wrap style.

The JP233 Rath is a Bb/F single-valve bass Trombone by John Packer, designed for musicians seeking a single-trigger bass trombone. It offers a lighter alternative to the double-trigger bass trombone while maintaining a broad and rich sound.

Developed in collaboration with Michael Rath, a renowned trombone expert in the UK, the JP233 Rath features a modern open wrap style and a single in-line rotary valve. The instrument is finely balanced to provide an excellent playing experience for musicians of all levels.

Unique benefits:

The JP233 Rath features:

  • .562" bore.
  • 9.5" bell.
  • Constructed from high-grade brass throughout.
  • Exclusive Michael Rath design leadpipe, which supports flexibility throughout the whole register.

Specifications:

  • Model: JP233 Rath.
  • Key: Bb/F.
  • Bell Size: High Grade Brass 241mm (9.5”).
  • Valves: 1 Rotary.
  • Bore: Large 14.27mm (.562”).
  • Water Keys: 1.
  • Body: High Grade Brass.
  • Finish: Lacquer.
  • Lyre Box: No.

Supplied with:

The JP233 Rath Bb/F Trombone is supplied with a JP mouthpiece, a lightweight case, and an Ultra-pure Maintenance Pack. The case is well designed to be robust yet lightweight and to provide as much protection to your instrument as possible. It is equipped with backpack straps and a comfortable shoulder strap as standard, and also includes a small storage pocket accessible from the outside, suitable for storing small accessories and sheet music.



Note: The instrument/case color/design, inner/outer, may vary.



Item Code: 102418

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ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more
Brand
Model
  • JP233Rath
Finish
  • Lacquer
Categories
Year
  • 2025

Product safety information may be available here.

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