JP371SW Bb Cornet


Product information

New JP371SWS Bb Cornet with two triggers and double case

Product details

Suitable for

The JP371SW is an advanced step-up cornet ideal for players serious about moving to the next level. This instrument is more than capable of supporting students through the higher grades and beyond and is a great choice for musicians progressing into their main band.

Unique benefits

Designed in collaboration with Smith-Watkins, the JP371SW benefits from a range of professional components. Smith-Watkins are world renowned for their unparalleled quality of sound and supply the UK military with brass instruments handmade in the UK.

This advanced cornet features:

  • Exclusive solid silver Smith-Watkins design leadpipe made especially for this model
  • High Grade 80:20 Brass throughout
  • As you would expect with more advanced cornets, this model’s large bore supports players to achieve a powerful sound
  • One-piece bell for superior sound quality
  • 1st and 3rd valve slide triggers for ease of tuning
  • Monel valves for a quick and responsive action

All JP Instruments are covered by a comprehensive 2 year warranty against manufacturing defects. Please note this does not cover aesthetic or finish faults. For full terms & conditions visit the JP Musical Instruments website.​

Supplied with

The JP371SW is supplied with a JP851 Pro Double Trumpet CaseJohn Packer 4B Cornet Mouthpiece, Ultra Pure Valve Oil and Maintenance Guide.


  • Model: JP371SW, JP371SWS
  • ​Key: Bb
  • Bell Size: 123mm (4.84")
  • Bore: Large 11.9mm (0.469")
  • Waterkeys: 2 (Lever)
  • Body: High Grade 80:20 Brass
  • Finish: Lacquer (JP371SW), Silverplate (JP371SWS)
  • Lyre Box: Yes

Technical specifications