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.
Weight |
37.7 kg (83.1 lbs.) |
Dimension (HxWxD) |
1249 x 200 x 383.5 mm (49.2 x 7.9 x 15.1 in.) with terminal* |
Dimension (HxWxD) |
1295.5 x 310.6 x 383.5 mm (51 x 12.2 x 15.1 in.) with terminal with Plinth* |
Dimension (HxWxD) |
1249 x 200 x 360 Cabinet only |
Design |
Three-way bass reflex |
Frequency Range |
30Hz-50kHz (-6dB) |
Typical In-Room Bass response |
26Hz (-6dB) |
Frequency Response |
46Hz-28kHz ( 3dB) |
Harmonic Distortion |
<0.3% 120Hz-20kHz (90dB, 1m) |
Maximum Output |
113dB |
Amplifier Power |
15-300W (recommended) |
Nominal Impedance |
8 Ohms (min.3.2Ohms) |
Drive Units |
Uni-Q Driver Array: HF: 25mm (1in.) vented aluminium dome MF: 125mm (5in.) aluminium cone |
Bass Driver |
LF: 4x 165mm (6.5in.) hybrid aluminium |
Crossover Frequencies |
400Hz, 2.9kHz |
Finishes |
Black Gloss / White Gloss / Walnut |
Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.
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