BLADE

  • Sale
  • Regular price HK$298,000


Exploring the Art of the Possible

BLADE is the top model in the range with four 225mm/9in. bass drivers and a Uni-Q MF/HF array in a 1590mm/62.5in. high cabinet.

BLADE is the world's first Single Apparent Source loudspeaker and the production version of the cost no object Concept Blade project KEF revealed at the Munich High End Show in 2009.


The Details

Specifications

DESIGN

Three-way bass reflex, single apparent source driver configuration
 
 

DIMENSIONS

1590 x 363 x 540 mm / 62.5 x 14.3 x 21.2 in.
(with plinth H x W x D)
 
 

WEIGHT

57.2 kg (126 lbs)
 
 

DRIVE UNITS

Uni-Q driver array:
MF: 125mm (5in.) Li-Mg-Al /LCP hybrid cone
HF: 25mm (1in.) Al dome
Bass units:
LF: 4 x 225mm (9in.) with force cancelling

FREQUENCY Range

28Hz - 45kHz (-6dB) free field
20Hz (-6dB) typical in room bass response
 


FREQUENCY RESPONSE

40Hz - 35kHz ±3dB (-6dB at 28Hz)
 
 

CROSSOVER FREQUENCIES

350Hz, 2.3kHz

 

AMPLIFIER REQUIREMENTS

50 - 400 W
 
 

SENSITIVITY

91dB (2.83V/1m)

HARMONIC DISTORTION

2nd & 3rd harmonics (90dB, 1m)
<0.5% 40Hz - 100kHz
<0.2% 200Hz - 10kHz


 

IMPEDANCE

4 Ohms (min.3.2 Ohms)

 

MAXIMUM OUTPUT

117dB (peak sound pressure level at 1m with pink noise)

 

DOCUMENT DOWNLOAD

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

Awards and Reviews

'OUTSTANDING PRODUCT' ACCOLADE - Hi-Fi News & Record Review

"The huge soundstage populated by multiple guitars was as impressive as I've ever heard it."- 2012

 

CUTTING-EDGE SPEAKER DESIGN: BLADE TWO - Stereophile Magazine

"KEF's Blade Two offers superb measured performance that is close to the state of the art"- 2015

Full Review

BEST OF THE BEST 2012: AUDIO - Robb Report

"A triumph of form and function, the KEF Blade is a standout loudspeaker in its price class for its superb coherence and ability to reproduce complex audio at all frequency levels without distortion." - 2012

 

GOLDENES OHR 2012 "2.BEST FLOOR STANDING LOUDSPEAKERS OVER 10.000 EURO" - Audio

CHOC CLASSICA AWARD - BT.com

Full Review

 

STEREO SOUND GRAND PRIX AWARD 2011 - Stereo Sound

PRODUCTS OF THE YEAR 2011 - Hi Fi Review

 

WINNER OF WINNERS AWARD & INNOVATIVE OPERATING PRACTICES AWARD - EEF Future Manufacturing Awards

PRODUCTS OF THE YEAR 2012 (LOUDSPEAKERS AND SUBWOOFERS) - Electronic House

 

Related Products

MUON

Sold out

A triumph of form marrying function, MUON is perhaps the most extraordinary loudspeaker ever conceived.

MUON is the result of KEF engineering prowess combining with world-class industrial design by Ross Lovegrove. The Muon is limited to an edition of 100 pair.

BLADE TWO

Sold out

For a lifetime of listening pleasure

Where space is at a premium BLADE TWO offers all of the acoustic prowess and iconic design of BLADE on a slightly smaller scale.

REFERENCE 5

Sold out

Flagship three-way floorstander

REFERENCE 5 reveals subtleties you'd never noticed while gripping your emotions with the full power of the performance.

 

REFERENCE 8b

Sold out

Twin 9-inch driver 'force cancelling' subwoofer

To experience the full impact of dramatic on-screen effects, bass definition and control are critical with this much power.