MartinLogan Helos 12
Description of the product.
| Brand | MartinLogan |
| Model | Helos 12 |
| Drivers | |
| Woofer | 6.5" (16.5 cm) cast basket, high rigidity aluminum cones with extended throw drive assembly, thermal protection |
| Woofer diameter (mm) | 165 |
| Midrange | |
| Midrange diameter (mm) | |
| Tweeter | 1" (2.5 cm) neodymium soft-dome tweeter |
| Tweeter diameter (mm) | 25 |
| Frequency response | 47 Hz – 20000 Hz +3 −3 dB |
| Enclosure | |
| Sensitivity (dB) | 89 |
| Impedance (Ω) | 4 |
| Recommended amplifier power, least (W) | 20 |
| Recommended amplifier power, most (W) | 200 |
| Built-in amplifier power (W) | |
| Height (mm) | |
| Width (mm) | |
| Depth (mm) | 112 |
| Weight (kg) | 2 |