High Quality Driver NX44
Throat diameter: 1" (25mm)
Mounting type: screw on 1-3/8"
Nominal impedance: 8 ohms
Power rating: 500 watts RMS
Sensitivity: 112 dB
Frequency response: 1.2k-18kHz
Recommended crossover: 2.2kHz or higher(12dB/oct. Minimum)
Diaphragm material: titanium
Voice coil: 1.83" (46.4mm) , polyimide film, CCAW winding
Magnet weight: 25 oz (ferrite)