Reference 4C

Three-way centre channel

KEF’s REFERENCE 4c combines breath-taking accuracy with spatial precision, if you want the cinematic experience look no further.

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Description

Reference 4C

 

Three-way centre channel

KEF’s REFERENCE 4c combines breath-taking accuracy with spatial precision, if you want the cinematic experience look no further.

Spatially precise, stunningly clear and with a dynamic range that takes rapid transitions in its stride the REFERENCE 4c is the ultimate choice for those wanting to get lost in the action.

 

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Additional information

Weight

45.2kg (99.6lbs)

Dimensions (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.)

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

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.3.2 Ohms)

Drive units

Uni-Q driver array:
HF: 25mm (1in.) vented aluminium dome
MF: 125mm (5in.) aluminium
Bass units
LF: 4 x165mm (6.5in.) aluminium

Crossover frequencies

350Hz, 2.8kHz

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