KEF R500 Floorstanding | |
| Model | R500 |
| Design | Three-way bass reflex |
| Drive units | Uni-Q driver array: HF: 25mm (1in.) vented aluminium dome MF: 125mm (5in.) aluminium Bass units: LF: 2 x 130mm (5.25in.) aluminium |
| Frequency range (-6dB) | 39Hz - 45kHz |
| Frequency response (±3dB) | 46Hz - 28kHz |
| Crossover frequency | 500Hz, 2.8kHz |
| Amplifier requirements | 25 - 150 W |
| Sensitivity (2.83V/1m) | 88dB |
| Harmonic distortion 2nd & 3rd harmonics (90dB, 1m) |
<0.4% 120Hz-20kHz |
| Maximum output | 111dB |
| Nominal impedance | 8Ω (min. 3.2Ω) |
| Weight | 21.8kg (48lbs.) |
| Dimension (H x W x D) (with grille and terminal) |
1015 x 180 x 305 mm (40 x 7.1 x 12 in.) |
| Dimension (H x W x D) (with grille, terminal & plinth) |
1066 x 299 x 328 mm (42 x 11.8 x 12.9 in.) |