MartinLogan EFX
Description of the product.
| Brand | MartinLogan |
| Model | EFX |
| Drivers | |
| Woofer | 6.5" (16.5cm) high excursion, fiber cone with extended throw drive assembly; bass reflex |
| Woofer diameter (mm) | 165 |
| Midrange | |
| Midrange diameter (mm) | |
| Tweeter | XStat™ CLS™ electrostaic transducer » Panel Dimensions: 28" x 8.6" (71 x 22cm) » Radiating Area: 241 in² (1,562 cm² ) |
| Tweeter diameter (mm) | 710 |
| Frequency response | 68 Hz – 22000 Hz +3 −3 dB |
| Enclosure | |
| Sensitivity (dB) | 90 |
| Impedance (Ω) | 6 |
| Recommended amplifier power, least (W) | 20 |
| Recommended amplifier power, most (W) | 300 |
| Built-in amplifier power (W) | |
| Height (mm) | 238 |
| Width (mm) | 1239 |
| Depth (mm) | 165 |
| Weight (kg) | 11.1 |