Aprašymas

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)

Downloads

BLADE Manual BLADE & BLADE TWO Information Sheet BLADE & BLADE TWO Brochure

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

AWARDS & REVIEWS

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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

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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

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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

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