KEF Blade II álló hangfal pár
- Features
- Specifications
- Technologies
- Design and Designers
- Awards and Reviews
Uncompromised Innovation
BLADE is an attitude. Its about exploring the art of the possible, without preconceptions. Pushing boundaries. So we gave our most talented engineers carte blanche to create the best speaker they can, with no design or cost restrictions. After years of research and testing, what they came up with looked and sounded like no other speaker: Concept BLADE. Its startling acoustic precision was so acclaimed when it first broke cover that we spent two more years refining the concept to produce an edition that serious audiophiles could own and enjoy. The result was so well received - and scooped so many prestigious awards to prove it - that we decided to take things even further and expand the BLADE range.
Design
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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) |
| Unit measurement |
Pair |
| Blade The worlds 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 |
| Dimension Drawings |
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HI-FI NEWS & RECORD REVIEW OUTSTANDING PRODUCT ACCOLADE
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"The huge soundstage populated by multiple guitars was as impressive as Ive ever heard it."
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| Year: |
2015 |
| Issuing Body: |
Hi-Fi News & Record Review |
| Country: |
United Kingdom |
| Product: |
Blade Two |
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CUTTING-EDGE SPEAKER DESIGN: BLADE TWO
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"KEFs Blade Two offers superb measured performance that is close to the state of the art" ( Download Full Review) |
| Year: |
2015 |
| Issuing Body: |
Stereophile Magazine |
| Country: |
USA |
| Product: |
Blade Two |
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CHOC CLASSICA AWARD
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| Year: |
2013 |
| Issuing Body: |
BT.com |
| Country: |
United Kingdom |
| Product: |
Blade |
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GOLDENES OHR 2012 "2.BEST FLOOR STANDING LOUDSPEAKERS OVER 10.000 EURO"
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| Year: |
2012 |
| Issuing Body: |
Audio |
| Country: |
Germany |
| Product: |
Blade |
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BEST OF THE BEST 2012: AUDIO
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"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."
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| Year: |
2012 |
| Issuing Body: |
Robb Report |
| Country: |
USA |
| Product: |
Blade |
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STEREO SOUND GRAND PRIX AWARD 2011
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| Year: |
2012 |
| Issuing Body: |
Stereo Sound |
| Country: |
Japan |
| Product: |
Blade |
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PRODUCTS OF THE YEAR 2011
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| Year: |
2012 |
| Issuing Body: |
Hi Fi Review |
| Country: |
Hong Kong |
| Product: |
Blade |
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WINNER OF WINNERS AWARD & INNOVATIVE OPERATING PRACTICES AWARD
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| Year: |
2012 |
| Issuing Body: |
EEF Future Manufacturing Awards |
| Country: |
United Kingdom |
| Product: |
Blade |
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PRODUCTS OF THE YEAR 2012 (LOUDSPEAKERS AND SUBWOOFERS)
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| Year: |
2012 |
| Issuing Body: |
Electronic House |
| Country: |
USA |
| Product: |
Blade |
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Single apparent source
Like listening to one voice rather than many, sound from a single source is inherently clearer. Not only are the acoustic centres of the HF and MF drivers in the Blade & Blade Two Uni-Q array coincident, but the four LF drivers, (225mm/9-in. for Blade, or 165mm/6.5-in. for Blade Two) are mounted symmetrically equidistant from it so that their acoustic centres occupy exactly the same point in space. This single apparent source configuration is what makes the Blade & Blade Two so gratifyingly coherent across the frequency range, with noticeably more precise imaging than is possible from any conventional speaker. What you hear sounds as if its being performed live right in front of you.
Akik tudják, hogyan szól a zene, azoknak bizonyára sokat mond az angol KEF márkanév. A KEF név azért csenghet olyan jól a zeneszeretôk körében, mert a cég sohasem tartozott a tömegtermelôk közé. Már a hifi korszak hajnalán is az adta mérnökeinek az ösztönzést, hogy szenvedélyesen hittek az új anyagok, az új technológiák és az eredeti tervezési ötletek erejében. Tudták, hogy ezek segítségével hatékonyan fokozhatják az otthoni zenehallgatás élvezetét. Napjainkban sem térnek el ettôl a felfogástól, és ma is az 1961-ben, a cég megalapításkor vallott nézeteikben hisznek. Ennek köszönhetô, hogy a KEF hangsugárzókat megjelenésük óta már több évtizede a világ legjobbjai között tartják számon. Ez alatt az idô alatt a KEF számos úttörô megoldást dolgozott ki. Új membránanyagokat fejlesztett, és a nevéhez fûzôdik a neoprem csillapító anyag is. Az elsôk között alkalmazták a számítógépes modellezést a kutatás és minôségellenôrzés területén. Digitális tesztmódszereket dolgoztak ki a minden korábbinál kisebb tûréshatárok biztosítására. Mindig komplett rendszereket terveztek. A legnagyobb áttörést azonban valószínüleg az eredetileg a NASA ûrprogramjához kifejlesztett és világszerte számos szabadalommal védett “UNI-Q” hangszóró elrendezés jelentette. Biztosan elmondható, hogy egyetlen más gyártó sem tett annyit a hangszórógyártás elveinek korszerûsítése érdekében, mint a KEF. Így a mai napig megelôznek minden más céget a legújabb digitális formátumok nyújtotta elônyök kihasználásában. “Az újabb és újabb ötletek ugyan éltetôek, de a legapróbb részletekre is figyelô megszállottság kell ahhoz, hogy azok meg is valósulhassanak.” Raymond Cooke (1925-1996), a KEF alapítója
