KEF Blade Hoparlör
Exploring the Art of the Possible
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.
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
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)
(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