| Color/Finish |
| Cabinet |
Color |
Polished Ebony |
Polished Ebony |
Polished Ebony |
Polished Ebony/Polished Brilliant White |
| Finish |
Polished |
Polished |
Polished |
Polished |
| Size/Weight |
| Dimensions |
Width |
1,481 mm (58-5/16") |
1,471mm (57-15/16") |
1,465mm (57-11/16") |
1,501 mm (59-1/8") |
| Height |
1,014 mm (39-15/16") Lid up : 1,734 mm (68-1/4") |
1,009mm (39-3/4")With music rest : 1,181mm (46-1/2") |
995mm (39-3/16")With music rest : 1,170mm (46-1/16") |
1,024 mm (40-5/16") |
| Depth |
1,195 mm (47-1/16") |
531mm (20-7/8") |
618mm (24-5/16") |
463 mm (18-1/4") |
| Weight |
Weight |
199 kg (438 lb, 12 oz) |
142kg (313lbs., 1oz.) |
120.5kg (265lbs., 11oz.) |
111 kg (240 lb, 11 oz) |
| Control Interface |
| Keyboard |
Number of Keys |
88 |
88 |
88 |
88 |
| Key Surfaces - White |
Ivorite® |
- |
- |
Acrylic resin |
| Touch Sensitivity |
Hard/Medium/Soft/Fixed |
- |
- |
Hard/Medium/Soft/Fixed |
| Keyboard Action |
Specialized Grand Piano Action |
Specialized Grand Piano Action |
Specialized Grand Piano Action |
Specialized Upright Piano Action for NU1X |
| Type |
- |
Ivorite (white keytops) |
Acrlic resin (white keytops) |
- |
| Tactile Response System (TRS) |
Yes |
Yes |
- |
- |
| Pedal |
Type |
Specialized Grand Piano Pedal |
- |
- |
GP Responsive Damper Pedal |
| Number of Pedals |
3 |
3 |
3 |
3 |
| Half Pedal |
Yes |
Yes |
Yes |
Yes |
| Functions |
Damper (with half-pedal effect) , Sostenuto,Soft |
- |
- |
Damper (with half-pedal effect) , Sostenuto,Soft |
| Sensor/Driver |
Hammer Sensors |
Non-contact optical fiber |
- |
- |
- |
| Key Sensors |
Non-contact optical fiber |
- |
- |
Non-contact optical fiber |
| Cabinet |
| Key Cover |
Soft-Close Fallboard |
Yes |
Yes |
Yes |
Yes |
| Music Rest |
Yes |
Yes |
Yes |
Yes |
| Voices |
| Tone Generation |
Piano Sound |
Spatial Acoustic Sampling |
- |
- |
CFX/Bösendorfer Imperial Sampling |
| Binaural Sampling |
Yes (CFX Grand Voice only) |
- |
- |
Yes (CFX Grand Voice only) |
| Key-off Samples |
Yes |
- |
- |
Yes |
| Smooth Release |
Yes |
- |
- |
Yes |
| Virtual Resonance Modeling (VRM) |
Yes |
- |
- |
Yes |
| Tone Generating Technology |
- |
Spatial Acoustic Sampling |
Spatial Acoustic Sampling |
- |
| Polyphony |
Number of Polyphony (Max.) |
256 |
256 |
256 |
256 |
| Preset |
Number of Voices |
10 |
5 |
5 |
15 |
| Effects |
| Types |
Reverb |
Yes |
Yes |
Yes |
Yes |
| Brilliance |
5 |
- |
- |
- |
| Intelligent Acoustic Control (IAC) |
Yes |
- |
- |
Yes |
| Stereophonic Optimizer |
Yes |
- |
- |
Yes |
| Songs |
| Preset |
Number of Preset Songs |
10 preset songs, 10 voice demo songs |
10 |
10 |
50 Classics, 15 voice demo songs |
| Recording |
Number of Songs |
10 |
1 |
1 |
10 |
| Number of Tracks |
1 |
1 |
1 |
1 |
| Data Capacity |
approx. 550 KB/Song |
300KB (approx. 30,000 notes) |
300KB (approx. 30,000 notes) |
approx. 550 KB/Song |
| Recording Function |
Yes |
Yes |
Yes |
Yes |
| Compatible Data Format |
Playback |
SMF (Format 0, 1) |
- |
- |
SMF (Format 0, 1) |
| Recording |
SMF (Format 0) |
- |
- |
SMF (Format 0) |
| Functions |
| Overall Controls |
Metronome |
Yes |
Yes |
Yes |
Yes |
| Tempo Range |
5 - 500 |
5 - 500 |
5 - 500 |
5 - 500 |
| Transpose |
-6 - 0 - +6 |
Yes |
Yes |
-6 - 0 - +6 |
| Tuning |
414.8 – 440.0 – 466.8 Hz (approx. 0.2 Hz increments) |
Yes |
Yes |
414.8 – 440.0 – 466.8 Hz (approx. 0.2 Hz increments) |
| Scale Type |
7 types |
7 types |
7 types |
7 types |
| Audio Recorder/Player |
Recording Time (max.) |
80 minutes/Song |
- |
- |
80 minutes/Song |
| Recording |
WAV (44.1 kHz, 16 bit, stereo) |
- |
- |
WAV (44.1 kHz, 16 bit, stereo) |
| Playback |
WAV (44.1 kHz, 16 bit, stereo) |
- |
- |
WAV (44.1 kHz, 16 bit, stereo) |
| Storage and Connectivity |
| Storage |
Internal Memory |
approx. 1.4 MB |
- |
- |
approx. 1.5 MB |
| External Drives |
USB Flash Drive |
- |
- |
USB Flash Drive |
| Connectivity |
Headphones |
Standard stereo phone jack (x 2) |
x 2 |
x 2 |
Standard stereo phone jack (x 2) |
| MIDI |
In/Out |
In/Out |
In/Out |
In/Out |
| AUX IN |
Stereo Mini |
L/L+R, R |
L/L+R, R |
Stereo Mini |
| AUX OUT |
[L/L+R] [R] (Standard stereo phone jack) |
L/L+R, R |
L/L+R, R |
[L/L+R] [R] (Standard stereo phone jack) |
| OUTPUT |
[L] [R] (XLR jack, balanced) |
- |
- |
- |
| USB TO DEVICE |
Yes |
Yes |
Yes |
Yes |
| USB TO HOST |
Yes |
- |
- |
Yes |
| Power Supply |
| Auto Power Off |
Yes |
- |
- |
Yes |
| Power Supply |
AC Inlet |
AC Inlet |
AC Inlet |
AC Inlet |
| Sound System |
| Spatial Acoustic Speaker System |
Yes |
- |
- |
- |
| Soundboard Resonator |
Yes |
- |
- |
- |
| Amplifiers |
80 W x 2 + 45 W x 4 + 35 W x 5 + 25 W x 4 |
- |
- |
(45 W + 45 W) x 2 |
| Speakers |
(16 cm + 13 cm + 2.5 cm) x 4 |
- |
- |
(16 cm + 1.9 cm) x 2 |
| Amplifiers and Speakers |
| Spatial Acoustic Speaker System |
- |
Yes |
Yes |
- |
| Soundboard Resonator |
- |
Yes |
- |
- |
| Amplifiers |
- |
22W x 10 + 80W x 2 |
25W x 1 + 30W x 5 |
- |
| Speakers |
- |
(13cm + 2.5cm) x 3 + (8cm + 2.5cm) + 16cm x 2 |
8cm x 3 + 13cm x 2 + 16cm x 1 |
- |
