MartinLogan Motion 20 SpecificationSystem type | 2-way | Enclosure type | Bass-reflex | Frequency response ± 3dB | 46 - 25000 Hz | Nominal impedance | 4 Ohm | Amplifier Requirements | 20 - 200 W | Sensitivity (2.83V/1m) | 90 dB | Tweeter | 26mm × 36mm (1" × 1.4") Folded Motion Transducer with 133mm × 44mm (5.25" × 1.75") diaphragm | Woofer | 2 x 140 mm (5.5 in.) aluminum cone | Dimensions (H x W x D) | 929 x 173 x 297 mm / 36.57 x 6.81 x 11.69 in. | Weight | 16,8 kg / 35.2 lbs. |
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