Tweeter/Woofer Nominal Impedance 6/8 Ohms Recom. frequency range 40-25000 Hz Short term max. power 220/250 W Long term max. power 90/80 W Sensitivity (1W/1m) 88.5/87 dB Voice Coil Diameter 26/39 mm Voice coil height 1.5/12 mm Air gap height 2.0/6.0 mm Linear coil travel (p-p) 0.5/6.0 mm Max. coil travel (p-p) -/20 mm Magnet weight -/0.64 Kg Total weight Kg Voice coil resistance 4.8/6.1 Ohms Voice coil inductance 0.05/0.7 mH Force factor 2.3/7.5 N/A Free air resonance 1200/29 Hz Moving mass 0.3/13.6 g Suspension compliance -/2.38 mm/N Suspension mech. resistance -/- Ns/m Effective piston area 7.0/120 sq. cm