HiFi Speakers
R11
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.
Technical Specifications :
Design
|
Three-way bass reflex |
Drive Units
|
Uni-Q Driver Array: HF: 25mm (1in.) vented aluminium dome MF: 125mm (5in.) aluminium cone Bass Driver: LF: 4 x 165mm (6.5in.) hybrid aluminium |
Crossover Frequencies
|
400Hz, 2.9kHz |
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) |
Amplifier Power
|
15-300W (recommended) |
Maximum Output
|
113dB |
Nominal Impedance
|
8 Ohms (min.3.2 Ohms) |
Sensitivity
|
90dB (2.83V/1m) |
Dimension (H X W X D)
|
With terminal: 1249 x 200 x 383.5 mm (49.2 x 7.9 x 15.1 in.) with terminal with Plinth : 1295.5 x 310.6 x 383.5 mm (51 x 12.2 x 15.1 in.) |
Weight (Per Unit)
|
37.7 kg (83.1 lbs.) |