frame diameter: 60 mm (10 in) Nominal impedance: 16Ω VOICE COIL DC resistance: 10.8 Ω/200Hz Nominal power handling: 250W Continuous power handling: 500 W Sensitivity (SPL1W/1m): 101 +/-2 dB Frequency range: F0~3 kHz Voice coil diameter: 75mm (3 in) Winding material: CCAW Diaphragm material: PAPER Magnet material: Neodymium