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RAGIL ELECTRONIC HOBBYElectronic Componends, Audio Sound System, Mobile Audio and Digital receiver. Kamis, 14 Juni 2012. 12” 1280 ACR BLACK MAGIC. Nominal Diameter 12 inch. Nominal Impedance 8 ohm. Cone material Black Paper. Maximum Power 500 watt. Magnet Weight 48.60 Oz. Frequency Response 45 Hz – 3.3 KHz. Sensitivity 1 M / 1 W 95 dB. Voice Coil Diameter 2 inch / 49.5 cm. Resonance Frequency Fs 45 Hz. DC resistance Re 6.3 ohm. Mechanical Factor Qms 6. Electical Factor Qes 0.47. Total Factor Qts 0.44. BL Factor BL 13.1 T/m.
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