KEF Flagship Three-way Floorstand Speaker In Black Gloss - R11B
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Flagship three-way floorstander
The largest model in the R Series combines four bass drivers and the latest generation Uni-Q for a powerful and refined sound
With hybrid aluminium bass drivers and a 12th generation Uni-Q for mid and treble the mighty R11is extremely capable. Using technology from KEF Reference it delivers clarity, finesse and serious bass.
| Specifications | |
|---|---|
| Dimension (HxWxD) | 1249 x 200 x 383.5 mm (49.2 x 7.9 x 15.1 in.) with terminal* |
| Weight | 37.7 kg (83.1 lbs.) |
| Finishes | Black Gloss / White Gloss / Walnut |
| Crossover Frequencies | 400Hz, 2.9kHz |
| Bass Driver | LF: 4x 165mm (6.5in.) hybrid aluminium |
| Drive Units | Uni-Q Driver Array: HF: 25mm (1in.) vented aluminium dome, MF: 125mm (5in.) aluminium cone |
| Nominal Impedance | 8 Ohms (min.3.2Ohms) |
| Amplifier Power | 15-300W (recommended) |
| Maximum Output | 113dB |
| Harmonic Distortion | <0.3% 120Hz-20kHz (90dB, 1m) |
| Frequency Response | 46Hz-28kHz (±3dB) |
| Typical In-Room Bass response | 26Hz (-6dB) |
| Design | Three-way bass reflex |
| Frequency Range | 30Hz-50kHz (-6dB) |
| Dimension (HxWxD) | 1249 x 200 x 360 Cabinet only |
| Dimension (HxWxD) | 1295.5 x 310.6 x 383.5 mm (51 x 12.2 x 15.1 in.) with terminal with Plinth* |