G.I.P. Laboratory GIP-4181 Contact us for pricing Specificaties TypeField Coil woofer (fixed edge)ConeMaterial: paperDiameter: 18 inchVoice CoilImpedance: 11.7Ohm(400hz) / 15Ohm (1Khz)Frequency responseFrom 20hzCrossover frequency300hzField Coil power supplyDC 24V / 1.25ADimensions460 (diameter) x 259 (depth) mmWeight25kg Google Plus One Tweet Widget Facebook Like