KEF Blade and Blade 2

BLADE & BLADE TWO

BLADE is an attitude. It’s about exploring the art of the possible, without preconceptions. Pushing boundaries.

Uncompromised Innovation

When we gave our engineers free rein to create the best speaker they could, they came up with the revolutionary Concept Blade prototype – the world’s first single apparent source loudspeaker. Its sonic capabilities were so impressive that we created an edition that serious audiophiles could actually own.

This was so well received – and scooped so many prestigious awards – that we developed a second model, BLADE TWO. With all of BLADE’s acoustic prowess and iconic design on a slightly smaller scale, BLADE TWO is easier to position where space is at a premium, and where BLADE’s extreme bass extension would be superfluous. BLADE TWO, same DNA. Same striking aesthetic. Same advanced driver technology and unique single apparent source configuration. And above all, the same lush, phenomenally realistic sound.

 

BLADE and BLADE TWO share a new architecture that achieves the ideal point source, with the four sophisticated bass drivers (225mm/9-in. for BLADE, 165mm/6.5-in. for BLADE TWO) 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. Inside, you find ingenious new venting, bracing and wave management technologies. Every component operates so comfortably within its performance envelope that you experience noticeably more precise imaging than is possible with conventional speakers.

Just as KEF’s philosophy has always been to innovate in pursuit of the most accurate and realistic sound, BLADE speakers are about perfecting a groundbreaking concept to delight people who really love music. Whatever your taste, BLADE and BLADE TWO are what all great design aspires to: being the best they can possibly be.

 

  • KEF Blade Two

     

    BLADE TWO. Same DNA. Same striking aesthetic. Same advanced driver technology and unique single apparent source configuration. And above all, the same lush, phenomenally realistic sound.

    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.) vented aluminium dome

    Bass units:

    LF: 4 x 165 (6.5in.) with force cancelling

    Frequency Range

    34Hz – 45kHz (-6dB) free field

    25Hz (-6dB) typical in room bass response

    Frequency Response

    40Hz – 35kHz (±3dB)

    Crossover Frequencies

    320Hz, 2.4kHz

    Maximum Output

    116dB (peak sound pressure level at 1m with pink noise)

    Amplifier requirements

    50 – 400W

    Sensitivity

    90dB (2.83V/1m)

    Harmonic distortion 2nd & 3rd harmonics (90dB, 1m)

    <0.5% 40Hz – 100kHz

    <0.2% 200Hz – 10kHz

    Impedance

    4 Ohms (3.2 Ohms min.)

    Dimensions

    1461 x 338 x 475mm

    57.5 x 13.3 x 18.7 in.

    (with plinth H x W x D)

    Weight

    35.3kg (77.8lbs)

     

    HI-FI NEWS & RECORD REVIEW ‘OUTSTANDING PRODUCT’ ACCOLADE
    “The huge soundstage populated by multiple guitars was as impressive as I’ve ever heard it.”

    Year: 2015
    Issuing Body: Hi-Fi News & Record Review
    Country: United Kingdom
    Product: Blade Two
    PRODUCT OF THE YEAR: BLADE TWO
    “KEF’s Blade Two offers superb measured performance that is close to the state of the art” (Visit the Stereophile.com for full review of “Joint Loudspeakers of the Year” and “Overall Component of the Year”. Download full review here.)

    Year: 2015
    Issuing Body: Stereophile Magazine
    Country: USA
    Product: Blade Two

     

  • 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