Eighteen Sound 18NLW4500 - user opinions

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Summary: Type: Subwoofer; Size: 18"; RMS Power: 1800 W; Max Power: 3600 W; Sensitivity: 97 dB; Impedance: 8?�; DC resistance: 5 ?�; Frequency range: 30 - 1000 Hz; Resonant frequency: 35 Hz; Total Q factor: 0.33; Suspension equivalent air volume: 151 L; Maximum linear excursion: 15.3 mm; Electrical Q: 0.34; Mechanical Q: 9.70; Minimum impedance: 6.1 ?�; Voice coil inductance: 2 mH; Force factor: 30.3 T?�m; Suspension mechanical resistance: 6.5 N?�s/m; Suspension mechanical compliance: 80 ?�m/N; Moving mass: 258 g; Moving mass (including airload): 286 g; Surface of the diaphragm: 1156 cm??; Effective diaphragm diameter: 38.4 cm; Maximum linear excursion: ?� 15.3 mm; Displacement volume at Xmax: 1768.7 ...

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