The GX-5 is the artist’s “grand for all seasons”. With resplendent tone and superb power, it adapts to an exceptional range of musical requirements and performance venues.
The new standard of grand piano design is beyond imagination. Combining state-of-the-art technology with traditional craftsmanship. Applying knowledge and experience handed down from generation to generation. Defining the ‘made in Japan’ philosophy of piano building. Lightness of touch usually experienced by only the very finest concert pianists. Rich, vivid, expressive tone that inspires one’s creative passion. A new era of grand piano performance has arrived.
Joyous touch to awaken one’s imagination
The new GX Series grand pianos aim to reproduce the delicate control of a full concert grand piano, delivering a level of refinement that few pianists have the opportunity to experience.
In order to achieve this ambitious goal, the length of the keyboard has been extended significantly, increasing the fulcrum distance for each key. This extended key pivot length results in a more consistent touch weight when playing towards the back of the keyboard, affording the pianist greater expressive control, and allowing one’s imagination to soar freely.
In addition, the GX Series’ advanced Millennium III keyboard action incorporates the latest materials; combining ABS resin with carbon fibre to further improve one’s playing experience. This ABS-Carbon compound is both highly rigid and extremely lightweight – characteristics that have seen the same material successfully employed throughout the aeronautics industry as a superior alternative to wood. By utilising action parts fashioned from ABS-Carbon, the GX Series’ keyboard action is more durable and less prone to performance degradation over time, while also delivering improved responsiveness and control. This evolution in keyboard touch can be experienced by the pianist with every key stroke, from the first to the very last note played.
Purity of tone that fills the room
In order to produce Kawai’s special tone, a broad range of woods are meticulously analysed for quality and character, before being selected as the finest materials for each specific purpose. The soundboard has arguably the most significant influence over a piano’s individual tonal elements. Therefore, woods that conform to the most rigorous gravity and propagation velocity standards are carefully selected by experienced craftsmen in order to achieve rich, deep bass tones, and bright, colourful, sustaining treble tones. In addition to the soundboard, bridges, and ribs, optimum materials for the inner-rim are also carefully considered, combining the unique properties of different hardwoods to create a layered hybrid construction. This produces a broad range of sound, allowing even greater expressive power.
In order to produce a richer, more immersive sound, the overall rigidity of the GX instruments’ body has also been improved. The thickness of the upper beam that attaches to the outer-rim is increased, allowing the pin blocks to support a tensile strength load of approximately 20 tons. As the tone of each note is improved, the sense of three-dimensional sound is also enhanced. Moreover, increasing the rigidity of the piano’s carbon steel tuning pins further strengthens the instruments’ tuning stability, to meet the rigorous demands of the finest pianists.
Quiet yet strong, loud yet delicate – unparalleled tonal expression
In order to realise the pianist’s infinite range of expression, the GX Series utilises premium grand piano hammers. These hammers are constructed from wood that possesses excellent acoustic properties, with hammer felt prepared from the finest quality long-haired New Zealand and Australian wool. These felted hammers have a soft, delicate exterior, yet are tight and rigid on the inside. When playing pianissimo passages, the strings are struck by the delicate exterior felt of the hammer to produce a soft and gentle tone, while fortissimo passages utilise the tighter, harder interior felt, thus producing a louder, more powerful sound. Moreover, all hammers are under-felted in order to further improve their resilience. These steps allow experienced piano technicians to perform the most subtle of voicing adjustments in order to maximise the instrument’s exquisite sonic potential. Delivering a broad range of tonal colour from pianissimo to fortissimo, and a rich variety of musical expression.
The instrument’s duplex scale system further enhances the harmonics of middle and upper-range tones, adding depth and breadth to the overall sound. And to ensure the ultimate touch at the keyboard surface – that magical point where the pianist and the piano become one – all GX instruments adopt premium Neotex coating for white and black keys. This unique material possesses moisture absorbent characteristics to enhance touch control and prevent mistakes, and inspires a sense of reassuring satisfaction within the pianist.
A lifetime of happiness, wrapped within a grand piano
Preserving the treasured design of a grand piano, while pursuing new details of elegance – this is the design concept of the GX Series. The instrument’s exterior design, with its gentle curves and broad music rest, establishing the traditional characteristics and captivating form of a grand piano. Expanding the instrument’s upper-beam thickness not only reinforces the piano’s overall structural rigidity, but also serves to further distinguish this exterior design, with Kawai’s highly prized painting and finishing process affording the piano body its distinctive, luxurious ebony polish appearance. However, the beauty of the GX Series truly shines upon opening the instrument’s top-board. The mesmerising brilliance of the glowing golden frame, the delicate woodwork and abundant expression of quality displayed along the inner rim, the luxurious elegance of rich black felt, and the reassuring display of hand-made craftsmanship – verified by the Kawai frame mark. These are the characteristics that embody the spirit of ‘THE GRAND’.
Finally, the GX Series instruments feature useful mechanisms such as multi-angle piano lid props, and Kawai’s original ‘Soft Fall’ system, which closes the fallboard gently and slowly, protecting the player’s hands from jarring lid accidents.
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