KEF Blade One Series Floorstanding Speakers Gloss Black Trade-In
The world's first Single Apparent Source speaker, now with 12th generation Uni-Q® with MAT™. A bespoke driver array engineered to deliver pristine performance, and capable of raising Blade to new heights of performance. Featuring four 225mm (9 in.) force-cancelling bass drivers, Blade One is the top model in the Blade series.
Features & Specifications:
Design Three-way bass reflex Single apparent source
Drive units
Uni-Q driver array:
HF: 25 mm (1 in.) aluminium dome with MAT
MF: 125 mm (5 in.) aluminium cone
Bass units:
LF: 4 x 225 mm (9 in.) aluminium cone,
force cancelling
Frequency range free field (-6dB) 27 Hz - 45k Hz
Frequency range typical in room bass response (-6dB) 20Hz
Frequency response (±3dB) 35 Hz - 35k Hz
Crossover frequencies 350 Hz, 2k Hz
Amplifier requirements 50 - 400W
Sensitivity (2.83V/1m) 88 dB
Harmonic distortion 2nd and 3rd harmonics (90dB, 1m)
<0.5% 40 Hz - 100k Hz
<0.2% 200 Hz - 2k Hz
<0.1% 2k Hz - 20k Hz
Maximum output (SPL) (peak sound pressure level at 1m with pink noise) 117dB
Impedance 4 Ω (min. 2.8 Ω)
Weight 57.2 kg (126 lbs.)
Dimensions - with plinth (H x W x D) 1590 x 363 x 540 mm (62.5 x 14.3 x 21.2 in.)
90 Day acX Warranty