KEF R11 3-way Bass Reflex Floorstanding Speaker (Pair)
Guarantee Safe Checkout
KEF R11 3-way Bass Reflex Floorstanding Speaker (Pair)
Warranty
2-year manufacturer's warranty
Key Features:
- Uni-Q driver places the tweeter in the centre of the midrange driver for ideal acoustic placement
- Shadow Flare profiled transition surface extends waveguides to prevent cabinet diffraction
- Bass drivers built with aluminium skin on a paper cone for greater stiffness
- Constrained layer damping dissipates unwanted resonances
- Flexible port technology delays the onset of turbulence and prevents resonance.
Technical Specifications of KEF R11 Floorstanding Speaker:
| Brand & Model # | KEF R11 Floorstanding Speaker |
| Design | Three-way bass reflex |
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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 (-6dB) | 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) |
1249 x 200 x 383.5 mm (49.2 x 7.9 x 15.1 in.) (51 x 12.2 x 15.1 in.) |
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