Amphion Helium520
Helium520 floorstanding loudspeaker is slim and easy to place. Despite their elegant looks, no sonic compromizes were allowed during development.
| Brand | Amphion |
| Model | Helium520 |
| Drivers | 1″ titanium tweeter 2x 5¼” paper woofer |
| Woofer | |
| Woofer diameter (mm) | |
| Midrange | |
| Midrange diameter (mm) | |
| Tweeter | |
| Tweeter diameter (mm) | |
| Frequency response | 40 Hz – 25000 Hz −6 dB |
| Enclosure | |
| Sensitivity (dB) | 90 |
| Impedance (Ω) | 4 |
| Recommended amplifier power, least (W) | 10 |
| Recommended amplifier power, most (W) | 150 |
| Built-in amplifier power (W) | |
| Height (mm) | 1068 |
| Width (mm) | 218 |
| Depth (mm) | 270 |
| Weight (kg) | 17 |