Yamaha YCR-6330SII Professional Bb Cornet

• Model & Positioning: The YCR-6330SII is a high-performance, professional Bb cornet, distinguished by its finely crafted design and tone ideal for serious soloists and brass musicians

• Bell & Bore:

  • Bell Material: One-piece yellow brass, promoting smooth, continuous airflow and rich resonance。

  • Bell Diameter: 119 mm (4-2/3″), typical of professional cornets。

  • Bore Size: L size, 11.73 mm (0.462″) – offering strong projection and flexibility。

• Weight: Medium-weight construction, balancing responsiveness and handling 。

• Finish Variants:

  • The SII variant features a silver-plated finish, giving it aesthetic elegance and tonal brightness。

  • A gold-lacquer (clear-lacquer) version exists as the standard YCR-6330II 。

• Valves & Craftsmanship:

  • Monel pistons, known for corrosion resistance and smooth, durable action .

  • Hand-lapped pistons and slides, providing precision fit, airtight seal, smoother airflow, and responsive play

  • Laser-fused, pluzuma-welded bell, creating a virtually seamless bell structure for even vibrations and tonal consistency

  • Pressure-formed tubing, delivering uniform airflow with reduced turbulence for excellent scale and resistance .

  • One-piece drawn gold-brass leadpipe, enhancing intonation and response .

  • Lightweight body design using a “Shepherd’s crook” short-type layout, delivering a more brilliant tone often preferred by soloists .

• Tone & Application: Produces a bright, lyrical tone with responsive intonation—well-suited for jazz solo work and brass-band contexts .

Specifications Table