KEF Reference 1

  • $13,995.00


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.

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
MAXIMUM OUTPUT 111 dB (peak sound pressure level at 1m with pink noise)
AMPLIFIER CLASS 50-200W
SENSITIVITY 85dB (2.83V/1m)
HARMONIC DISTORTION 2nd & 3rd harmonics (90dB, 1m)
<0.5% 40Hz - 100kHz 
<0.2% 200Hz - 10kHz
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