Compare KEF R11 vs KEF Q750 vs Amphion Argon7LS
Construction
Colors
Gloss Black, Gloss White, Walnut
Satin Black, Satin White, Walnut
Speaker: White, Black, or Walnut / Grilles: Stone grey, Traffic red, heather violet, Turquoise blue, Sky blue, Yellow green, Sulfur yellow, Beige brown
Drivers | Midrange
1x 125mm (5in.) aluminium cone
1x 165mm (6.5in.) aluminium Uni-Q
Drivers | Tweeter
1x 25mm (1in.) vented aluminium dome
1x 25mm (1in.)vented aluminium dome
1x 1" titanium tweeter
Drivers | Woofer
4x 165mm (6.5in.) hybrid aluminium
1x 165mm (6.5in.) aluminium + 2x 165mm (6.5in.) aluminium ABR passive radiator
2x 6.5" aluminium woofer + 2x 6.5" passive radiator
Form Factor
Floorstanding loudspeaker
Floorstanding loudspeaker
Floorstanding loudspeaker
Loudspeaker Type
3-way, bass reflex
2.5-way, passive radiator
2-way, passive radiator
Dimensions
Size | Depth
383.5 mm
306 mm (12.04 inches)
305 mm (12")
Size | Height
1249 mm
923 mm (36.33 inches)
1160 mm (45.75")
Size | Width
200 mm
210 mm (8.26 inches)
191 mm (7.5")
Weight
37.7 kg (83.1 lbs.)
16.5kg (36.4 lbs)
30 kg (66 lbs)
Function
Crossover
400Hz, 2.9kHz
2.5kHz
1600 Hz
Performance
Frequency Response
46Hz-28kHz (±3dB)
48Hz-28kHz
28Hz - 25kHz (-6dB)
Impedance
8 ohms (min 3.2 ohms)
8 ohms (min 3.8 ohms)
4 ohms
Max Sound Level
113 dB
113 dB
Power Input
15-300 W
15-150 W
50-150 W
Sensitivity
90 dB
88 dB
91 dB
Production
Debut
2018
2017
2017-12 (redesigned)
Made In
China
China
Finland (handmade)
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