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White Gloss R11

Kef SP4000AA

Available in 3 Color(s)

Quick Specs

  • Type: Speakers
 
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

Quick Specs


  • Appearance

  • Type: Speakers

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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Electronics can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new electronics should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.