Compare KEF Q750 vs Amphion Helium 520 vs Amphion Argon3LS
Construction
Colors
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
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 165mm (6.5in.) aluminium Uni-Q
Drivers | Tweeter
1x 25mm (1in.)vented aluminium dome
1x 1" titanium tweeter
1x 1" titanium tweeter
Drivers | Woofer
1x 165mm (6.5in.) aluminium + 2x 165mm (6.5in.) aluminium ABR passive radiator
2x 5.25" paper woofer
1x 6.5" aluminium woofer + 1x 6.5" passive radiator
Form Factor
Floorstanding loudspeaker
Floorstanding loudspeaker
Floorstanding loudspeaker
Loudspeaker Type
2.5-way, passive radiator
2-way, bass reflex
2-way, passive radiator
Dimensions
Size | Depth
306 mm (12.04 inches)
215 mm (8.5")
305 mm (12")
Size | Height
923 mm (36.33 inches)
1072 mm (42.25")
1000 mm (38")
Size | Width
210 mm (8.26 inches)
160 mm (6.5")
191 mm (7.5")
Weight
16.5kg (36.4 lbs)
16 kg (35 lbs)
22 kg (49 lbs)
Function
Crossover
2.5kHz
1600 Hz
1600 Hz
Performance
Frequency Response
48Hz-28kHz
40Hz - 25kHz (-6dB)
30Hz - 25kHz (-6dB)
Impedance
8 ohms (min 3.8 ohms)
4 ohms
8 ohms
Max Sound Level
113 dB
Power Input
15-150 W
10-150 W
50-150 W
Sensitivity
88 dB
90 dB
85 dB
Production
Debut
2017
2017-12 (redesigned)
2017-12 (redesigned)
Made In
China
Finland (handmade)
Finland (handmade)
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