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The cutting edge of loudspeaker design

When we gave our engineers free rein to create a fitting showcase for our technology leadership, they developed a revolutionary prototype that looked and performed like no other: Concept Blade, the world's first single apparent source loudspeaker.

Its phenomenal sonic capabilities met with such praise that we decided to produce an edition that serious audiophiles could actually own. After two years of painstaking refinement - and in time to mark 50 years of KEF innovation - Blade is the result.

Conceived from the outset to extend the boundaries of high end audio, it's a unique synthesis of innovative engineering and groundbreaking design based on a new architecture that achieves the ideal point source to which all speakers aspire. This is because the four sophisticated new bass drivers are configured so that their combined acoustic centre occupies exactly the same point in space as that of the Uni-Q HF/MF array, so the sound appears to emanate from a single, flawlessly coherent source.

Sculptural and acoustically inert, the slender parabolic enclosures are engineered never to interfere with the purity of the output. The advanced new hybrid cones are so light and rigid that their natural break-up point is never reached within the required frequency range. Inside, you find ingenious new venting, bracing and wave management technologies. Meticulously specified, super-premium components - every one operating so comfortably within its performance envelope that you experience noticeably more precise imaging than is possible with conventional speakers. What you hear sounds as if it's live - emotionally engaging, richly musical and effortlessly natural. A revelation, pure and simple.

KEF Blade Wins Product of the Year Award

Electronic House Magazine has released its annual Product of the Year Awards recipients, and the KEF Blade made the cut!

full review-- click here

http://www.electronichouse.com/product/details/blade/

 

Blade

The world's first Single Apparent Source loudspeaker.

Model

Blade

Design

Three-way bass reflex, Single Apparent Source driver configuration

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 Response

40Hz - 35kHz +/- 3dB
28Hz - 45kHZ +/- 6dB

Harmonic Distortion

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

Crossover Frequencies

350Hz, 3kHz

Amplifier Requirements

50-400W

Sensitivity (2.83V/1m)

90dB

Maximum output (SPL)

117dB

Nominal impedance

4 Ohms (3.2 Ohms min.)

Weight

57.2 kg (126 lbs)

Dimensions
(H x W x D)

1590 x 363 x 540 mm
62.5 x 14.3 x 21.2 in.

Standard finishes

Gloss black or gloss white

Custom colours

Garnet, Sapphire, Grigio, Racing red, Racing blue,
Pale gold, Orange sorbet, Graphite, Stardust,
Lemon sorbet, Lime sorbet or Snow white

more information click here

 

 



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