The JP331 Rath represents John Packer's flagship medium large bore Bb/F tenor trombone designed and manufactured in collaboration with Michael Rath, one of the UK's leading trombone specialists.
The JP331 Rath Trombone has a lovely broad sound, 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 development of the JP331 Rath saw the instrument finely balanced to ensure an excellent playing experience for musicians of all levels.
The JP Rath range of trombones have generated a lot of positive comments throughout the industry and are now in demand across the globe. They are characterised by a professional standard of workmanship and a high level of performance. Often compared with professional models, they compare very favourably with instrument from some of the top makers. The JP331 Rath features a medium large bore (.525") providing players versatility whilst it's 8" bell gives superior sound projection. High Grade 80:20 brass is used in construction throughout. 
Model: JP331 Rath
Key: Bb/F
Bell Size: High Grade Brass 203.2mm (8")
Valves: Rotary 1
Bore: Medium Large 13.34mm (.525")
Water Keys: Lever 2
Body: High Grade Brass
Finish: Lacquer (JP331 Rath)
Finish: Silver Plated (JP331S Rath)
Lyre Box: No
Mouthpiece: Yes
Leadpipe: MIchael Rath Leadpipe
Instrument Weight: 1.9Kg (4lb 3oz)
Weight with case: 7.1Kg (15lb 10oz)