Compare KEF R8a vs KEF R2c vs Amphion Helium520C
Construction
Colors
Black Gloss, White Gloss, Walnut
Black Gloss, White Gloss, 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
Drivers | Tweeter
1x 25mm (1in.) vented aluminium dome
1x 25mm (1in.) vented aluminium dome
1x 1" titanium tweeter
Drivers | Woofer
4x 130mm (5.25in.) aluminium cone
2x 130mm (5.25in.) hybrid aluminium
2x 5.25" paper woofer
Form Factor
Wall-mount loudspeaker
Center channel loudspeaker
Center channel loudspeaker
Loudspeaker Type
2-way, closed
3-way, closed
2-way, bass reflex
Dimensions
Size | Depth
259 mm
308.5 mm
265 mm (10.5")
Size | Height
173.8 mm
175 mm
160 mm (6.5")
Size | Width
174.6 mm
550 mm
510 mm (20")
Weight
4.45 kg (9.8 lbs.)
16.9 kg (37.3 lbs.)
10 kg (22 lbs)
Function
Crossover
400Hz, 2.9kHz
400Hz, 2.9kHz
1600 Hz
Performance
Frequency Response
105Hz-18.5kHz (±3dB)
74Hz-28kHz (±3dB)
48Hz - 25kHz (-6dB)
Impedance
8 ohms (min 4.2 ohms)
8 ohms (min 3.2 ohms)
8 ohms
Max Sound Level
106 dB
110 dB
Power Input
25-150 W
15-200 W
10-150 W
Sensitivity
86dB
87 dB
90 dB
Production
Debut
2018
2018
2017-12 (redesigned)
Made In
China
China
Finland (handmade)
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