KEF Blade

Posted On December 14, 2016 at 5:06 pm by / Comments Off on KEF Blade

BLADE, the world’s first Single Apparent Source loudspeaker, is the production version of the famous Concept Blade project KEF revealed at the Munich High End Show in 2009.

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 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
Maximum Output

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

 

CHOC CLASSICA AWARD
Visit the BT.com site for full review

Year: 2013
Issuing Body: BT.com
Country: United Kingdom
Product: Blade

GOLDENES OHR 2012 “2.BEST FLOOR STANDING LOUDSPEAKERS OVER 10.000 EURO”

Year: 2012
Issuing Body: Audio
Country: Germany
Product: Blade
BEST OF THE BEST 2012: AUDIO
“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.”

Year: 2012
Issuing Body: Robb Report
Country: USA
Product: Blade

STEREO SOUND GRAND PRIX AWARD 2011

Year: 2012
Issuing Body: Stereo Sound
Country: Japan
Product: Blade

PRODUCTS OF THE YEAR 2011

Year: 2012
Issuing Body: Hi Fi Review
Country: Hong Kong
Product: Blade

WINNER OF WINNERS AWARD & INNOVATIVE OPERATING PRACTICES AWARD

Year: 2012
Issuing Body: EEF Future Manufacturing Awards
Country: United Kingdom
Product: Blade

PRODUCTS OF THE YEAR 2012 (LOUDSPEAKERS AND SUBWOOFERS)

Year: 2012
Issuing Body: Electronic House
Country: USA
Product: Blade