Nominal power 80WMaximum power 160WSensitivity (2,83V/1m) 88dBCone Glass fiberSurround ButylNom. impedance 4 OhmsDC resistance 3.2 OhmsVC diameter 20mm 013/16"VC height 7.3mm 05/16"Former KaptonLayers 2Wire CopperInductance 0.12mmXmax 1.7mm 01/16"Magnet d x h 65mm x 12mm 29/16 x 01/2"Magnet weight 200g 0.4 lbsFlux density 0.8TGap height 4mm 03/16"Net weight 350g 0.70 lbs