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KEF Reference 1

Loudspeakers

Satin American Walnut, Deep  Piano Black £4,500
Luxury Gloss Rosewood £5,000

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KEF REFERENCE 1's innovative technology means that you don't need a big cabinet to enjoy expansive, premium quality sound.

All the jaw-dropping performance and innovative engineering pioneered for the critically acclaimed LS50 studio monitor, and then some. REFERENCE 1 pairs KEF’s latest 125mm (5 inch) MF/HF Uni-Q driver array with the sensational new 165mm (6.5 inch) alloy cone bass driver to create a compellingly realistic sound stage out of all proportion to its size. Mounted on shelves or stands, Uni-Q’s inherently wide, even dispersion also makes it the perfect rear channel speaker in a home theatre system that effortlessly reveals all the subtleties encoded in modern soundtracks.

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Technical Specification

Design
Three-way Bass Reflex
Drive Units
Uni-Q driver array:
HF: 25mm (1in.) vented aluminium dome
MF: 125mm (5in.) aluminium
Bass units:
LF: 1 x165mm (6.5in.) aluminium
Frequency Range 
Typical in room bass response: 30Hz (-6dB)
Free Field - Short port: 40Hz - 45kHz (-6dB)
Free Field - Long port: 37Hz - 45kHz (-6dB)
Frequency Response
45Hz- 35kHz (±3dB)
Crossover Frequencies
350Hz, 2.8kHz

Amplifier class
50-200W
Sensitivity
85dB (2.83V/1m)
Harmonic distortion
2nd & 3rd harmonics (90dB, 1m)
<0.5% 40Hz - 100kHz
<0.2% 200Hz - 10kHz
Maximum Output
111 dB (peak sound pressure level at 1m with pink noise)
Impedance
8 Ohms (min.3.2 Ohms)
Dimensions
H x W x D with grille and terminal : 440 x 205 x 430 mm (17.3 x 8.1 x 16.9 in. )
Weight
18.2kg (40.1lbs)
Unit measurement
Pair
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