MartinLogan Classic ESL 9
Description of the product.
| Brand | MartinLogan |
| Model | Classic ESL 9 |
| Drivers | |
| Woofer | Two 8” (20.3 cm) cast basket, high excursion, rigid aluminium cone woofers with extended throw drive assembly, non-resonance asymmetrical chamber format |
| Woofer diameter (mm) | 203 |
| Midrange | |
| Midrange diameter (mm) | |
| Tweeter | XStat™ CLS™ electrostatic transducer » Panel Dimensions: 44" x 9.2" (112 x 23cm) » Radiating Area: 405 in² (2,576 cm² ) |
| Tweeter diameter (mm) | 1120 |
| Frequency response | 34 Hz – 23000 Hz +3 −3 dB |
| Enclosure | |
| Sensitivity (dB) | 90 |
| Impedance (Ω) | 4 |
| Recommended amplifier power, least (W) | 20 |
| Recommended amplifier power, most (W) | 400 |
| Built-in amplifier power (W) | |
| Height (mm) | 264 |
| Width (mm) | 1520 |
| Depth (mm) | 646 |
| Weight (kg) | 35.4 |