Professional PA Speakers - 500 WATTS - High power 15” low frequency speaker

Power Rating                                         : 500W RMS
Nominal Diameter                                  : 380mm (15”)
Nominal Impedance                               : 8
Sensitivity (1W/1m )                               : 97dB
Magnet Weight                                       : 2.85kg
Resonant Frequencey (Fs)                    : 33Hz
DC Resistance (Re)                               : 5
Electromagnetic Q (Qes)                       : 0.34
Mechanical Q (Qms)                              : 4.32
Total Q Factor (Qts)                               : 0.32
Compliance Equivalent Volume (VAS)   : 221Litr
Surface Area of Cone (Sd)                     : 830
Reference Efficiency (o)                         : 2.28%
Voice Coil                                               : 4.0”
Overhang (Xmax)                                   : 8.0 mm
Moving Mass (Mms)                               : 107.17gm
BL Product (BL)                                      : 18TM
Coil Inductance (Le)                               : 1.09mH
Overall Diameter                                    : 387 mm
Depth                                                     : 158 mm
Baffle Hole Diameter                              : 354 mm
Bolt Mount Diameter (PCD)                   : 369 mm (8 Bolts)
Weight                                                    : 9.00kg