Three-way centre speaker
For movie lovers looking for total immersion, Reference 4c is the paradigm. For clarity, detail and emotional depth, it's a revelation.
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 inch) MF/HF Uni-Q driver array and four 165mm (6.5 inch) bass drivers, the Reference 4c reproduces every last detail exactly as the director or the artist intended.
WEIGHT45.2kg (99.6lbs)
H x W x D with grille and terminalH x W x D with grille, terminal & plinth : 205 x 1090 x 470 mm (8.1 x 42.9 x 18.5 in.)
DESIGNThree-way bass reflex
Unit measurementPiece FREQUENCY RANGETypical in room bass response: 33Hz (-6dB)
FREQUENCY RESPONSE48Hz - 35kHz (±3dB)
HARMONIC DISTORTION2nd & 3rd harmonics (90dB, 1m)
<0.5% 40Hz – 100kHz <0.2% 200Hz – 10kHz MAXIMUM OUTPUT116dB (peak sound pressure level at 1m with pink noise)
AMPLIFIER class50-400 W
Sensitivity90dB (2.83V/1m)
NOMINAL IMPEDANCE8Ohms (min.3.2Ohms)
DRIVE UNITSUni-Q driver array:
HF: 25mm (1in.) vented aluminium dome MF: 125mm (5in.) aluminium Bass units
LF: 4 x165mm (6.5in.) aluminium CROSSOVER FREQUENCIES350Hz, 2.8kHz
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