SPECIFICATIONS Nominal diameter 460mm/18in Power rating 1700watt-3400watt Nominal impedance 8ohm Sensitivity 96Db Frequency range 40-2000Hz Classis type cast aluminium Magnet type ferrite Magnet size 300*170*30mm Magnet weight 6.8kg/240 Oz Voice coil diameter 152/6in Coil material sv-w Number of layers 2(inside/outside) Former material paper Former material glass fiber Former material cloth Spider double X-Max 6.5mm/0,25in Craf depth 13mm/1.02 in Voice coil winding wdith 26mm/1.02in Nett weight : 24.96kg/pcs Gross weight: 28.96kg/ pcs Packing size 53*53*28cm/ pcs Garansi resmi ASHLEY1 tahun