Professional PA Speakers - 300 WATTS - High power 15” low frequency speaker

Power Rating                                       : 300W RMS
Nominal Diameter                                : 380mm (15”)
Nominal Impedance                             : 8
Sensitivity (1W/1m )                             : 99dB
Magnet Weight                                     : 2.31kg
Resonant Frequencey (Fs)                  : 45Hz
DC Resistance (Re)                             : 5.75.7
Electromagnetic Q (Qes)                     : 0.32
Mechanical Q (Qms)                            : 5.82
Total Q Factor (Qts)                             : 0.3
Compliance Equivalent Volume (VAS): 139.65Litr
Surface Area of Cone (Sd)                       : 830
Reference Efficiency (o)                           : 4.35%
Voice Coil                                                    : 3.0”
Overhang (Xmax)                                       : 2.5 mm
Moving Mass (Mms)                                  : 80.31gm
BL Product (BL)                                          : 20.49TM
Coil Inductance (Le)                                  : 0.68mH
Overall Diameter                                        : 395 mm
Depth                                                            : 160 mm
Baffle Hole Diameter                                 : 358 mm
Bolt Mount Diameter (PCD)                      : 373 mm (8 Bolts)
Weight                                                           : 8.15kg