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Nominal Diameter   250/10(mm/inch)
Rated Impedance   8ohm
Peak Power Capacity   600Watt
Power Capacit   150Watt
Sensitivity   93dB
Frequency Range   55-3000Hz
Minmum Impedance   7.1ohm
Voice Coil Diameter   50/2(mm/inch)
Voice Coil Material   Copper
Voice Coil Winding Depth   13mm
Number of Layers   2
Kind of Layer   outside
Top Plate Thickness   8mm
Cone Material   Half pressed pulp
THIELE_DMALL PARAMETERS4  
Resonance frequency FS   55Hz
DC Resistance Re   5.6ohm
Mechanical Factor Qms   3.61
Electrical Factor Qes   0.91
Total Factor Qts   0.79
BL Factor BL   9.9T.m
Effective Moving Mass Mms   31.3gr
Equivalent Cas Air Load Vas   40.6liters
Effettive Piston Area Sd   0.035m2
Max. Linear Excursion(mathematical) Smax   ±3mm
Voice-C Coil Inductance@1KHz Le   0.5mH
 
 
Overall Diameter:   256mm
Bolt Circle Diameter:   244mm
Baffle Cutout Diameter:   232mm
Depth   120mm
Net Weight:   2.5kg
Shipping Weight:   2.8kg
Shipping Box:   270x270x145mm

FDB Audio Manufacture Co., Ltd.

Add.: MoWu XinCun Industrial WanJiang District Dongguan China 523040

Tel:+86 769-22024166 +86 769-22024166 Fax: +86 769-22781297