utilizes the "Ultra-Responsive" Action . This is a traditional wooden action with ABS Styran parts. It is a fantastic action—fast, reliable, and consistent. Many technicians love the RX action because it is relatively easy to service and very durable. It feels "classic."
For a classical pianist, the adjustable duplex is a godsend. For a jazz player, you might disable it for a purer fundamental. The RX-2 gives you no choice. kawai rx2 vs gx2
| Feature | Kawai RX-2 | Kawai GX-2 | |---------|------------|-------------| | Length | 5'10" (178 cm) | 5'11" (180 cm) – slightly longer | | Width | 60" (152 cm) | 60" (152 cm) | | Weight | ~680 lbs (308 kg) | ~705 lbs (320 kg) – heavier | | Keys | NEOTEX (later models) / Acrylic (early) | NEOTEX (improved) | | Finish | Polyester satin/gloss | Polyester satin/gloss | | Year range | ~1998–2012 | 2012–present | utilizes the "Ultra-Responsive" Action