Building on the pedigree of the JP173 student model, the JP273 benefits with the addition of a fully compensating system to aid the tuning of the instrument. Often complimented for it’s exceptional tonal qualities, the JP273 features a large 0.543 bore and a 9.5″ bell. Bottom sprung monel piston valves with nylon valve guides offer a smooth and free action, and the yellow brass construction aids a warm, round sound.
- Key: Bb
- Bell Size: Yellow Brass – 241.30mm (9.5″)
- Valves: Piston 3
- Bore: Large 13.79mm (.543″)
- Water Key: Lever 3
- Body: Yellow Brass
- Finish: Silver Plated (JP273S)
- Lyre Box: Yes
- Mouthpiece: JP 6BS
- Instrument Weight: 2.44Kg (5lb 6oz)
- Weight with case: 6.52Kg (14lb 6oz)
| Model: | JP273S |
| Manufacturer: | John Packer |











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