Both pianos share the same core DNA: a 5'11" (180cm) length, a "Millennium III" action (with carbon-fiber composite parts), and that distinctive, warm Kawai tone. But the similarities end at the rim.
action is more refined, incorporating parts similar to those in the Shigeru Kawai line for increased strength and stability Rim Construction (Konsei Katagi)
Both instruments are 5'11" powerhouses that outperform almost anything else in that size range from other brands. If you find a well-maintained RX-2, it will serve you beautifully for decades. However, if your budget allows, the is the refined evolution that fixes the few minor quirks of the RX line and stands as the superior instrument.
If budget permits, the offers a more responsive touch and a clearer treble register. However, if you find a late-model RX-2 in pristine condition, it remains one of the most musically satisfying and durable 5'10" grand pianos ever built. kawai rx2 vs gx2
The GX-2 uses an updated "Ninja Edition" of the Millennium III action. While the carbon fiber components remain similar, the key sticks are longer (similar to the Shigeru Kawai line), providing a more balanced touch weight from the front to the back of the keys. This offers better control during pianissimo playing and a more "substantial" feel compared to the lighter feel of the RX-2. 3. Sound and Tone Quality
The choice between the Kawai RX-2 and GX-2 is less about which is "better" and more about which era you belong to. The RX-2 remains a stellar legacy instrument—a reliable, warm grand piano that serves as the perfect "first big upgrade" for an advancing student. The GX-2, however, is a modern statement, offering concert-level control and power in a compact package.
When shopping used, prioritize the condition of the soundboard, pinblock, and hammers over the model name alone. To help narrow down your search, tell me: What is your approximate ? What skill level is the primary pianist? Are you looking at new or pre-owned options? Share public link Both pianos share the same core DNA: a
Many consider the RX2 "one of Kawai's best value pianos".
中古(目立った傷や汚れなし) グランドピアノ中古 カワイ KAWAI RX-2 ¥1,430,000
Brighter and more direct voice, with some pianists reporting a "clunkier" treble in some examples. The tone can feel more immediate and less complex. If you find a well-maintained RX-2, it will
The Benefit: Longer keys give the player significantly more control and leverage, especially when playing deep into the keys (close to the fallboard). This brings the touch of the GX-2 much closer to that of a 7-foot concert grand piano. Konsei Katagi Rim Construction
Choosing between them comes down to deciding whether the structural and touch enhancements of a new or used GX2 justify the premium over a highly capable, value-packed used RX2. Key Specifications: Side-by-Side Comparison
Both pianos feature key surfaces, which mimic the texture of natural ivory and ebony. This material offers a moisture-resistant grip that is more durable than traditional all-wood keys and remains consistent regardless of climate or sweat.
The RX series is generally known to have a bit more "edge" or brightness in the upper register. It cuts through well in ensemble settings. It is a versatile tone, but in smaller rooms, it can sometimes border on harsh if the hammers aren't perfectly voiced.