KEF R11

Color
Black Gloss
White Gloss
Walnut

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 R11 is extremely capable. Using technology from KEF Reference it delivers clarity, finesse and serious bass.

Live Experience     R Series

SPECIFICATIONS

The Details

SPECIFICATIONS


WEIGHT
37.7 kg (83.1 lbs.)
  
DIMENSION (H X W X D)
1249 x 200 x 383.5 mm (49.2 x 7.9 x 15.1 in.) with terminal*
 
DIMENSION (H X W X D)
1295.5 x 310.6 x 383.5 mm (51 x 12.2 x 15.1 in.) with terminal with Plinth*
 
DIMENSION (H X W X D)
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

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