Amphion enjoy Helium510 Reference Manual - Page 10
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Technical specifications
Helium520C
510 mm (20")
17
Physics
Operating principle
Two-way, vented
Tweeter
1" titanium tweeter
Mid / woofer
2 x 5¼" paper woofer
Measurements
510 x 160 x 265 mm
Weight
9 kg (20 lbs)
Performance
Crossover point
1600 Hz
4 Ω
Impedance
Sensitivity
90 dB
Frequency response
48 – 25.000 Hz -6dB
Power recommendation
10 – 150 W
Variations
Monochrome
Wood veneer
Colour grids
Helium520
m
2 1 5 m
160 mm
(6¼")
(8 ½ ")
218 mm
(8¼")
Physics
Operating principle
Two-way, vented
Tweeter
1" titanium tweeter
Mid / woofer
2 x 5¼" paper woofer
Measurements
1072 x 218 x 270 mm
Weight
17 kg (38 lbs)
Performance
Crossover point
1600 Hz
4 Ω
Impedance
Sensitivity
90 dB
Frequency response
40 – 25.000 Hz -6dB
Power recommendation
10 – 150 W
Variations
Monochrome
Wood veneer
Colour grids
18