R11

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  • Regular price HK$47,980


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.


The Details

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: 4x 165mm (6.5in.) hybrid aluminium


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*
 
 

Sensitivity

(2.83V/1m) 90dB

 

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)
 
 

MAXIMUM OUTPUT

113dB
 

AMPLIFIER POWER

15-300W (recommended)
 
 

NOMINAL IMPEDANCE

8Ohms (min.3.2Ohms)
 
 

FINISHES

Black Gloss / White Gloss / Walnut

 

downloads

R Series White Paper
R Series Brochure
R Series Information Sheet
R Series User Manual
Maintenance Guide for R Series Microfibre Grille

 

KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. * Measurement per unit

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