KEF BLADE

Description

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.

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

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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)
UNIT MEASUREMENT	Pair