KEF BLADE HI END FLOORSTANDING SPEAKER (ÇİFT)

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

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)