For movie lovers looking for total immersion, Reference 4c is the paradigm. For clarity, detail and emotional depth, it's a revelation.
Three-way centre speaker
Hand-built in Maidstone, UK.
SOUND
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 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.
SPECIFICATIONS
The Details
Specifications
CABINET FINISH
Silver satin walnut, Copper black aluminium, Blue ice white, Deep piano black, Satin American walnut, Luxury gloss rosewood
WEIGHT
45.2kg (99.6lbs)
H x W x D with grille and terminal
H x W x D with grille, terminal & plinth :
205 x 1090 x 470 mm (8.1 x 42.9 x 18.5 in.)
205 x 1090 x 470 mm (8.1 x 42.9 x 18.5 in.)
DESIGN
Three-way bass reflex
Unit measurement
Piece
FREQUENCY RANGE
Typical in room bass response: 33Hz (-6dB)
Free Field - Short port: 43Hz - 45kHz (-6dB)
Free Field - Long port: 40Hz - 45kHz (-6dB)
FREQUENCY RESPONSE
48Hz - 35kHz (±3dB)
HARMONIC DISTORTION
2nd & 3rd harmonics (90dB, 1m)
<0.5% 40Hz – 100kHz
<0.2% 200Hz – 10kHz
<0.5% 40Hz – 100kHz
<0.2% 200Hz – 10kHz
MAXIMUM OUTPUT
116dB (peak sound pressure level at 1m with pink noise)
AMPLIFIER class
50-400 W
Sensitivity
90dB (2.83V/1m)
NOMINAL IMPEDANCE
8 Ohms (min.3.2Ohms)
DRIVE UNITS
Uni-Q driver array:
HF: 25mm (1in.) vented aluminium dome
MF: 125mm (5in.) aluminium
HF: 25mm (1in.) vented aluminium dome
MF: 125mm (5in.) aluminium
Bass units
LF: 4 x165mm (6.5in.) aluminium
LF: 4 x165mm (6.5in.) aluminium
CROSSOVER FREQUENCIES
350Hz, 2.8kHz
downloads
THE REFERENCE Brochure
THE REFERENCE Manual
THE REFERENCE 8b Manual
THE REFERENCE White Paper
THE REFERENCE Information Sheet
KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. * Measurement per unit
Awards & Reviews
Home Cinema Choice Reference Status, High End Hero
"This system is British surround high-fidelity at the utter state-of-the-art. And it’s easily worthy of its Reference name."
Full Review
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Designed and Engineered in the UK
Perfect sound demands the absolute elimination of unwanted vibration.