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Nominal Diameter   250/10(mm/inch)
Rated Impedance   8ohm
Peak Power Capacity   1000Watt
Power Capacit   250Watt
Sensitivity   97dB
Frequency Range   50-4000Hz
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 PARAMETERS$  
Resonance Frequency FS   50Hz
DC Resistance Re   5.6ohm
Mechanical Factor Qms   8.29
Electrical Factor Qes   0.16
Total Factor Qts   0.16
BL Factor BL   21.9T.m
Effective Moving Mass Mms   43.3gr
Equivalent Cas Air Load Vas   37.6liters
Effettive Piston Area Sd   0.035m2
Max. Linear Excursion(mathematical) Smax   ±3mm
Voice-C Coil Inductance@1KHz Le   0.8mH
 
 
Overall Diameter:   261mm
Bolt Circle Diameter:   246mm
Baffle Cutout Diameter:   230mm
Depth   120mm
Net Weight:   3.9kg
Shipping Weight:   4.2kg
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