- Diameter Speaker (inch/mm) : 18 inch / 457 mm - Impedansi () : 8 - Maximum power (Watt)* : 1000 Watt* - Lebar daerah frekuensi (Hz) : 33 Hz 3.9 KHz - SPL (2.83 V / 1 m) (dB) : 100 dB - Diameter cone efektif (mm) : 400 mm - Medan magnet (T) : 0.9 T - Berat magnet (Kg/Oz) : 3.88 kg / 135.80 Oz - Voice coil diameter (mm) : 99.20 mm - Voice coil material : Till