KEF JP IQ, Brochure & Specs

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Specifications
Design Two-way bass reflex
Drive units 130mm (5 1
4
) Uni-Q
19mm ( 3
4
) 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
H x W x D 11.8 x 6.9 x 10.3 in.
Design Two-way bass reflex
Drive units 165mm (6 1
2
) Uni-Q
19mm ( 3
4
) 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 W x D 14.4 x 8.7 x 12.9 in.
Design Three-way bass reflex
Drive units 130mm (5 1
4
) LF
130mm (5 1
4
) Uni-Q
19mm (
3
4
) 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 W x D 32 x 6.9 x 10.3 in.
Design Three-way bass reflex
Drive units 165mm (6 1
2
) LF
165mm (6 1
2
) Uni-Q
19mm ( 3
4
) 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 Yes
Weight 14.5kg (32.0lbs)
Dimensions 865 x 220 x 327 mm
H x W x D 34 x 8.7 x 12.9 in.
Design Closed Box, downward firing
Drive units 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 W x D 14.2 x 19.5 x 12.8 in.