| Component | RX-2 Advantage | GX-2 Advantage | | :--- | :--- | :--- | | | Solid spruce (excellent) | Solid spruce (same grade, but with tapered ribs for more flexibility) | | Backposts | 3 solid maple posts | 3 solid maple posts (wider spacing) | | Keybed | Laminated hardwood | Cross-laminated spruce/alder (more rigid) | | Action parts | Millennium III (original) | Millennium III (2nd gen, redesigned flanges) |
Comparing the and the Kawai GX-2 is essentially a study of evolution in modern piano manufacturing . While the RX-2 was the industry standard for nearly two decades, the GX-2 (introduced around 2013) represents a refined "Black Series" successor that borrows heavily from Kawai’s handcrafted Shigeru line. Quick Comparison Table kawai rx2 vs gx2
With the GX series, Kawai aimed for a "singing" quality. The GX-2 typically has a richer, deeper bass and a more rounded, mellow treble compared to the RX-2. The scaling was slightly tweaked to improve the transition from the tenor to the bass bridge. | Component | RX-2 Advantage | GX-2 Advantage