Speaker ACR 12 inch in 12500 black wooferSpeaker ACR 12 inch in 12500 black Karakter : Woofer Diameter Speaker (inch/mm) : 12 inch / 304.8 mm Impedansi (Ω) : 8 Ω Max. Power (Watt) : 450 Watt Lebar daerah frekuensi (Hz) : 55 Hz – 6000 Hz SPL (2.83 V / 1 m) (dB) : 97 dB Diameter cone efektif (mm) : 256 mm Medan magnet (T) :1.13 T Berat magnet (Kg/Oz) :1.04 kg /36.68 Oz Voice coil diameter (mm) :49.5 mm Voice coil material : Till