KEF C Series C7, Specifications

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Finishes
Black ash European walnut
Specifications
C7 Floorstander C5 Floorstander C3 Bookshelf
Design Two-way bass reflex Two-way bass reflex Two-way bass reflex
Drive units 19mm (0.75in.) aluminium HF 19mm (0.75in.) aluminium HF 19mm (0.75in.) aluminium HF
2 x 165mm (6.5in.) LF 2 x 130mm (5.25in.) LF 130mm (5.25in.) LF
Frequency response 36Hz - 40kHz 41Hz - 40kHz 54Hz - 40kHz
Crossover frequency 2.5kHz 2.5kHz 2.5kHz
Amplifier requirements 15 - 200W 15 - 150W 10 - 125W
Sensitivity (2.83V/1m) 91dB 90dB 88dB
Maximum output 113dB 111dB 108dB
Impedance 8� 8� 8�
Magnetic shielding Yes Yes Yes
Weight 13.4kg (29.5lbs) 11.5kg (25.3lbs) 4.4kg (9.7lbs)
Dimensions 965 x 203 x 286 mm 915 x 177 x 260 mm 290 x 177 x 256 mm
(H x W x D) (38 x 8 x 11.25 in.) (36 x 7 x 10.25 in.) (11.4 x 7 x 10 in.)
Plinth dimensions 273 x 372 mm 248 x 322 mm
N/A
(W x D) (10.75 x 14.65 in.) (9.7 x 12.7 in.)
C1 Bookshelf C6LCR Left centre right C4 Subwoofer
Design Two-way bass reflex Two-way acoustic suspension Powered bass reflex
Drive units 19mm (0.75in.) aluminium HF 19mm (0.75in.) aluminium HF 1 x 200mm (8in.) LF
100mm (4in.) LF 2 x 130mm (5.25in.) LF
Frequency response 65Hz - 40kHz 65Hz - 40kHz 29Hz - 140Hz
Crossover frequency 2.5kHz 2.5kHz N/A
Amplifier requirements 10 - 100W 10 - 150W N/A
Amplifier N/A N/A 200W built-in Class-D
Sensitivity (2.83V/1m) 87dB 90dB N/A
Maximum output 106dB 111dB 108dB
Low pass filter N/A N/A Variable 40Hz - 140Hz, 4th-order
Low level signal inputs N/A N/A RCA phono socket
Impedance 8 � 8 � N/A
Magnetic shielding Yes Yes Yes
Weight 3.2kg (7lbs) 6.2kg (13.7lbs) 12.2kg (27.0lbs)
Power requirements N/A N/A 100 - 240V ac ~, 50 - 60Hz
Power consumption N/A N/A 200VA
Dimensions 260 x 150 x 221 mm 177 x 430 x 211 mm 345 x 320 x 377 mm
(H x W x D) (10.25 x 5.9 x 8.7 in.) (7 x 16.9 x 8.7 in.) (13.6 x 12.6 x 14.9 in.)