As the main source of dialogue and vocals, the centre channel is critical to your enjoyment of what’s on screen. With KEF’s superlative new 125mm (5”) MF/HF Uni-Q driver array between four 165mm (6.5 inch) bass drivers, the Reference 4c reproduces every last detail exactly as the director or the artist intended - spatially precise, stunningly clear and with a dynamic range that takes rapid transitions in its stride. For movie buffs looking for total immersion, it’s the perfect centre. Model REFERENCE 4c Design Three-way bass reflex Drive Units Uni-Q driver array: HF: 25mm (1in.) vented aluminium dome MF: 125mm (5in.) aluminium Bass units: LF: 4 x165mm (6.5in.) aluminium Frequency range free field (-6dB) Short port: 43Hz - 45kHz Long port: 40Hz - 45kHz Frequency range typical in room bass response (-6dB) 33Hz Frequency response (±3dB) 48Hz – 35kHz Crossover frequency 350Hz, 2.8kHz Amplifier Requirements 50-400 W Sensitivity (2.83V/ 1m) 90dB Harmonic distortion 2nd & 3rd harmonics (90dB, 1m) less than 0.5% 40Hz – 100kHz, less than 0.2% 200Hz – 10kHz Maximum output (peak sound pressure level at 1m with pink noise) 116dB Impedance 8Ω (min. 3.2Ω) Weight 45.2kg (99.6lbs.) Dimensions - with grille, terminal & plinth (H x W x D) 205 x 1090 x 470 mm (8.1 x 42.9 x 18.5 in.) Finish Deep Piano Black, Satin American Walnut, Luxury Gloss Rosewood
