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KEF Reference 1
(Speakers only. Not including stands)
The smart use of innovative KEF technology means that with Reference 1 bookshelf speaker you don't need a big cabinet to enjoy expansive, high-performance sound.
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, large scale sound stage. Uni-Q’s inherently wide, even dispersion also makes it the perfect rear channel speaker in a serious home theatre system.
Specifications
CABINET FINISH
Silver satin walnut, Copper black aluminium, Blue ice white, Deep piano black, Satin American walnut, Luxury gloss rosewood
WEIGHT
18.2kg
H X W X D WITH GRILLE AND TERMINAL
440 x 205 x 430 mm (17.3 x 8.1 x 16.9 in. )
DESIGN
Three-way bass reflex
UNIT MEASUREMENT
Pair
FREQUENCY RANGE
Typical in room bass response: 30Hz (-6dB)
Free Field - Short port: 40Hz - 45kHz (-6dB)
Free Field - Long port: 37Hz - 45kHz (-6dB)
TYPICAL IN-ROOM BASS RESPONSE
26Hz (-6dB)
FREQUENCY RESPONSE
45Hz- 35kHz (±3dB)
HARMONIC DISTORTION
2nd & 3rd harmonics (90dB, 1m)
<0.5% 40Hz - 100kHz
<0.2% 200Hz - 10kHz
<0.5% 40Hz - 100kHz
<0.2% 200Hz - 10kHz
MAXIMUM OUTPUT
111 dB (peak sound pressure level at 1m with pink noise)
AMPLIFIER CLASS
50-200W
SENSITIVITY
85dB (2.83V/1m)
NOMINAL IMPEDANCE
8Ohms (min.3.2Ohms)
DRIVE UNITS
Uni-Q driver array:
HF: 25mm (1in.) vented aluminium dome
MF: 125mm (5in.) aluminium
HF: 25mm (1in.) vented aluminium dome
MF: 125mm (5in.) aluminium
Bass units
LF: 1 x165mm (6.5in.) aluminium
LF: 1 x165mm (6.5in.) aluminium
CROSSOVER FREQUENCIES
350Hz, 2.8kH