KEF BLADE

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.

Live Experience

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)

Related Products

KEF BLADE Two

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.

Discover now

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