KEF JP IQ User manual

Acoustic intelligence

SECOND HARMONIC DISTORTION
comparison of response at crossover frequency
comparison of Faraday ring effect

Smart thinking
Black Ash
Dark Apple
Maple
Walnut

Powered Subwoofers

Specifications
Design Two-way bass reflex
Drive units 130mm (514)Uni-Q
19mm (34)aluminium dome HF
Frequency response 50Hz - 40kHz
Crossover frequency 2.8kHz
Amplifier requirements 10 - 100W
Sensitivity (2.83V/1m) 88dB
Maximum output 108dB
Nominal impedance 8‰
Magnetic shielding Yes
Weight 4.5kg (9.9lbs)
Dimensions 301 x 175 x 261 mm
HxWxD 11.8 x 6.9 x 10.3 in.
Design Two-way bass reflex
Drive units 165mm (612)Uni-Q
19mm (34)aluminium dome HF
Frequency response 45Hz - 40kHz
Crossover frequency 2.8kHz
Amplifier requirements 15 - 120W
Sensitivity (2.83V/1m) 89dB
Maximum output 110dB
Nominal impedance 8‰
Magnetic shielding Yes
Weight 6.7kg (14.8lbs)
Dimensions 365 x 220 x 327 mm
H x WxD 14.4 x 8.7 x 12.9 in.
Design Three-way bass reflex
Driveunits 130mm (514)LF
130mm (514)Uni-Q
19mm (34)aluminium dome HF
Frequency response 43Hz - 40kHz
Crossover frequency 280Hz - 2.8kHz
Amplifier requirements 15 - 130W
Sensitivity (2.83V/1m) 88dB
Maximum output 109dB
Nominal impedance 8‰
Magnetic shielding Yes
Weight 10.2kg (22.5lbs)
Dimensions 815 x 175 x 261 mm
H x WxD 32 x 6.9 x 10.3 in.
Design Three-way bass reflex
Drive units 165mm (612)LF
165mm (612)Uni-Q
19mm (34)aluminium dome HF
Frequency response 40Hz - 40kHz
Crossover frequency 250Hz - 2.8kHz
Amplifier requirements 15 - 150W
Sensitivity (2.83V/1m) 90dB
Maximum output 111dB
Nominal impedance 8‰
Magnetic shielding Y
es
Weight 14.5kg (32.0lbs)
Dimensions 865 x 220 x 327 mm
H x WxD 34 x 8.7 x 12.9 in.
Design Closed Box, downward firing
Driveunits 250mm (10) ultra long-throw
bass driver
Frequency response 33Hz - 150Hz
Crossover frequency Variable
Amplifier requirements 250W built in
Sensitivity (2.83V/1m) 100mV for full output
Maximum output 108dB
Nominal impedance N/A
Magnetic shielding Yes
Weight 14.5kg (31.9lbs)
Dimensions 360 x 495 x 325 mm
H x WxD 14.2 x 19.5 x 12.8 in.

Design Three-way bass reflex
Drive units 2 x 165mm (612)LF
165mm (612)Uni-Q
19mm (34)aluminium dome HF
Frequency response 38Hz - 40kHz
Crossover frequency 250Hz - 2.8kHz
Amplifier requirements 15 - 200W
Sensitivity (2.83V/1m) 91dB
Maximum output 113dB
Nominal impedance 8‰
Magnetic shielding Yes
Weight 16.6kg (36.6lbs)
Dimensions 942 x 220 x 327 mm
H x WxD 37 x 8.7 x 12.9 in.
Design Two-way bass reflex
Drive units 130mm (514)Uni-Q
19mm (34)aluminium dome HF
Frequency response 70Hz - 40kHz
Crossover frequency 2.8kHz
Amplifier requirements 10 - 100W
Sensitivity (2.83V/1m) 89dB
Maximum output 109dB
Nominal impedance 8‰
Magnetic shielding Yes
Weight 4.7kg (10.3lbs)
Dimensions 165 x 418 x 220 mm
H x WxD 6.5 x 16.4 x 8.7 in.
Design Three-way bass reflex
Drive units 2 x 130mm (514)LF
130mm (514)Uni-Q
19mm (34)aluminium dome HF
Frequency response 65Hz - 40kHz
Crossover frequency 280Hz - 2.8kHz
Amplifier requirements 15 - 150W
Sensitivity (2.83V/1m) 90dB
Maximum output 111dB
Nominal impedance 8‰
Magnetic shielding Yes
Weight 8.9kg (19.6lbs)
Dimensions 165 x 512 x 255 mm
H x WxD 6.5 x 20.1 x 10 in.
Design T
wo-wayclosed box
Driveunits 2 x 130mm (514)Uni-Q
2x19mm (34)aluminium dome HF
Frequency response 65Hz - 40kHz
Crossover frequency 2.8kHz
Amplifier requirements 10 - 100W
Sensitivity (2.83V/1m) 83dB
Maximum output 103dB
Nominal impedance 8‰
Magnetic shielding No
Weight 5.2kg (11.5lbs)
Dimensions 180 x 360 x 175 mm
H x WxD 7.1 x 14.2 x 6.7 in.
Design Closed Box, downward firing
Drive units 300mm (12) ultra long-throw
bass driver
Frequency response 30Hz - 250Hz
Crossover frequency Variable/LFE
Amplifier requirements 300W built in
Sensitivity (2.83V/1m) 100mV for full output
Maximum output 110dB
Nominal impedance N/A
Magnetic shielding Yes
Weight 22.5kg (49.6lbs)
Dimensions 450 x 600 x 395 mm
H x WxD 17.7 x 23.6 x 15.6 in.

PL1610JP
'K E F Audio (UK) 2005
www.kef.com/qseries