MartinLogan Motion F20
Description of the product.
| Brand | MartinLogan |
| Model | Motion F20 |
| Drivers | |
| Woofer | 2x 6.5” (16.5cm) aluminum cones with cast polymer baskets. Non-resonant asymmetrical chamber format. Unibody cone construction. |
| Woofer diameter (mm) | 165 |
| Midrange | 5.5” (14cm) Woven Fiberglass cone with cast polymer basket. Non- resonant sealed chamber format. Unibody cone construction. |
| Midrange diameter (mm) | 140 |
| Tweeter | 1” x 1.4” (2.6 x 3.6cm) Gen2 Obsidian Folded Motion Tweeter with 9.2 in2 (59.4 cm2) diaphragm |
| Tweeter diameter (mm) | 26 |
| Frequency response | 35 Hz – 25000 Hz +3 −3 dB |
| Enclosure | Ported |
| Sensitivity (dB) | 92 |
| Impedance (Ω) | 4 |
| Recommended amplifier power, least (W) | 20 |
| Recommended amplifier power, most (W) | 300 |
| Built-in amplifier power (W) | |
| Height (mm) | 1137 |
| Width (mm) | 298 |
| Depth (mm) | 362 |
| Weight (kg) | 27.2 |