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. Model REFERENCE 1 Design Three-way bass reflex Drive Units Uni-Q driver array:HF: 25mm (1in.) vented aluminium domeMF: 125mm (5in.) aluminiumBass units:LF: 1 x165mm (6.5in.) aluminium Frequency range free field (-6dB) Short port: 40Hz - 45kHzLong port: 37Hz - 45kHz Frequency range typical in room bass response (-6dB) 30Hz Frequency response (±3dB) 45Hz – 35kHz Crossover frequency 350Hz, 2.8kHz Amplifier requirements 50-200 W Sensitivity (2.83V/ 1m) 85dB Harmonic distortion2nd & 3rd harmonics (90dB, 1m)
