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Harmonic Imaging – Delivering the True Sound of a Grand Piano

The Sound of a Grand Piano The KAWAI EX concert grand piano is widely regarded by professional pianists and piano technicians as the finest instrument of its class. Hand-built by our distinguished Master Piano Artisans at the Shigeru Kawai Piano Research Laboratory in Ryuyo, Japan, each EX instrument undergoes a meticulous regulation and refinement process within a specially designed anechoic chamber. Following this lengthy preparation period, the completed EX piano receives a final series of rigorous quality inspections before eventually taking its place on stage in the world’s most prestigious musical institutions and concert halls.

The beautiful sound of the EX grand piano is at the heart of the new Kawai digital pianos, with all eighty-eight keys of this world-class instrument painstakingly recorded, analyzed and reproduced as high-fidelity digital waveforms. Recording each key individually in this way – as opposed to stretching the same tone over several different notes – ensures that the rich harmonic character of the original EX grand piano is preserved and guarantees that the sound heard when pressing any one of the keys is a faithful representation of the acoustic source.

When playing the piano, the amount of pressure applied to the keyboard not only affects the volume of the sound produced but also the unique tonal character of each note. Therefore, in order to gather a realistic acoustic portrait of the EX grand piano, not only is each key recorded individually, but also captured at various different strengths, ranging from gentle pianissimo to thunderous fortissimo. The new Kawai digital pianos offer the most detailed acoustic portrait of any digital piano, with Progressive and Ultra Progressive Harmonic Imaging sound technology ensuring smooth tonal transitions across the keyboard and throughout the entire dynamic range.

The final stage in reproducing the exquisite tone of the EX grand piano relates to the physical delivery of the sound itself. All Kawai digital pianos feature specially designed and equalized sound systems that provide deep, resonant bass frequencies and clean, crisp trebles. In addition, the flagship Concert Artist CA93 model harnesses a real wooden soundboard to reproduce the unmistakable warmth and ambience of an acoustic instrument. Meticulously prepared, painstakingly recorded, accurately reproduced and faithfully delivered – four pivotal stages that ensure the true sound of a grand piano in every Kawai digital piano.

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