SPCEIFICATINONS   
Nomin diameter :                203mm. 8in
Nomin al impe dance:         8 ohm
Power rating:                     150W RM S                                   
Sensitivity (1w/1m) :          96dB±3dB
Frequency range:               78-5kHz
Voice Coil diameter :           φ49.5mm
Voice coil length:                12mm
Air gap height:                    6mm

THIELE & SMALL PARAMETERS
Resonace frequency,FS:                78Hz
D.C.Resistan ce,Re:                       6.0 ohm
Mechanical quality factor,Qms:      3.17
Electrical quality factor,Qes:          0.26
Total quality factor,Qts:                 0.24
Equivalent air volme to Cms,Vas:    12L
Mechanical compliance,Cms:          0.18mm/N
Bl factor,Bl:                                    15.85N/A
Effective surface area,Sd：            0.035㎡

MATERIALS
Basket:                          Aluminium
Cone and dust can :      Paper
Surround:                      Treated cloth
Voice coil wire:              Copper
Voice coil bobbin:           Glass Fibre
Magnet:                         NdFeB  

MOUNTING INFORMATION
Overall diameter:          φ225mm
Bolt circle diameter:      φ220mm
Baffle cutout diameter: φ185mm
Depth:                           100mm
Net weight:                   3.5kg