Speaker B&C Speakers 21SW152, 8 ohm, 21 inch4000 W continuous program power capacity 153 mm (6 in) split winding copper voice coil 30 - 1000 Hz response 96 dB sensitivity 60 mm peak-to-peak excursion before damage Neodymium magnet allows a very high force factor and linear excursion Double silicone spider with optimized compliance Ventilated voice coil gap for reduced power compression Aluminium demodulating ring for very low distortion
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perfect seller I think.
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