DIFFUSORE CENTRALE KEF THE REFERENCE CENTER SATIN AMERICAN WALNUT

REFERENCE 4c

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) <0.5% 40Hz – 100kHz <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 MC