8" Aluminium frame square woofer

Nominal Chassis Diameter            8"
Impedance                                         8/4 Ω
Power Handling                                150 (A.E.S.)
Frequency Range                             65 Hz - 4 kHz
Sensitivity (1m /w )                            94 dB
Magnet Weight                                  40 oz
Magnetic Gap Depth                         0.31" / 8 mm
Flux  Density                                       1.1 Tesla                                             
Coil Winding Height                          0.54" / 13.7 mm
Voice Coil Diameter                          2.0" / 50 mm
Former Material                                  Fibreglass
Voice Coil                                            Copper
number of layers                                2 layers
Magnet Material                                  Ferrite
surround material                              polycotton
Cone material                                     pulp


FS (Hz)                                                   64
Re (ohm)                                               5.6
Qms                                                       4.7
Qes                                                         0.57         
Qts                                                          0.51          
Vas (Ltr)                                                 50
Cms  (mm/N)                                       0.225
BL (T/M)                                                  10.4
Mms (grms)                                          27
Xmax (mm)                                            8
Sd (cm2)                                                346        
Effi ciency (%)                                        1.75



Overall Diameter                                   12" / 305 mm
Depth                                                       4.5" / 115 mm
Weight                                                      6.3kg(gross)
Packing Carton Dimensions               305 x 305 x150 mm