Rated power20 W Maximum power 30 W Nominal impedance Z 8 Ohm Frequency response 80–15000 Hz Mean sound pressure level 82 dB (1 W/1 m) Maximum cone displacement 5 mm Resonance frequency fs 125 Hz Magnetic induction 0,8 T Magnetic flux 150 Wb Height of front pole-plate 3 mm Voice coil diameter 20 mm Height of winding 4,5 mm Cutout diameter 76 mm Net weight 0,25 kg D. C. resistance Rdc 7,9 Ohm Mechanical Q factor Qms 2,94 Electrical Q factor Qes 1,29 Total Q factor Qts 0,9 Equivalent volume Vas 1,0 l Effective piston area Sd 30 cn2 Dynamically moved mass Mms 2 g Force factor Bxl 2,2 T m Inductance of the voice coil L 0,3 mH Heat resistance −25 ... 70 °C