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KEF Reference Model Four

4-Way, 6-Driver Floorstanding Loudspeaker

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KEF Reference Model Four


A multi-component, high quality, hand soldered dividing network and six drive units are utilised in the model Four.

The 160mm Uni-Q driver used in the other reference series speakers is used for upper mid and high frequencies.


Type: 4 way, 6 driver loudspeaker system

Frequency Response: 35Hz to 20kHz

Recommended Amplifier: 50 to 400W

Crossover Frequency: 160, 500, 2800Hz

Impedance: 4Ω

Sensitivity: 92dB

Bass: 2 x 250mm B250 pulp cone

Midbass: 2 x 160mm B160 polypropylene cone

Midrange: 1 x 160mm MB160 polypropylene cone

Tweeter: 1 x 25mm NT25 soft dome

Enclosure: 102.5 litre

Dimensions: 1266 x 300 x 390mm

Weight: 49kg


instruction/owners manual   English -

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