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Nominal Diameter   (lf)250/8,(hf)44.4/1.7(mm/inch)
Rated Impedance   8ohm
Peak Power Capacity   1000Watt
Power Capacit   250Watt
Sensitivity   (lf)96dB,(hf)107dB
Frequency Range   (lf)45-3000Hz,(hf)1500-18000Hz
Minimum Impedance   (lf)6ohm,(hf)7.8ohm
Voice Coil Diameter   (lf)75/3,(hf)44.4/1.7(mm/inch)
Voice Coil Material   (lf)Copper,(hf)CCAR
Voice Coil Winding Depth   (lf)13mm
Number of Layers   (lf)2
Kind of Layer   outside
Top Plate Thickness   8mm
Cone Material   Half pressed pulp
Diaphragm Material   Mylar
Suspension Material   Mylar
Resonance Frequency Fs   48Hz
DC Resistance Re   5.6ohm
Mechanical Factor Qms   5.76
Electronical Factor Qes   0.33
Total Factor Qts   0.32
BL Factor BL   14.3T.m
Effective Moving Mass Mms   41.9gr
Equivalent Cas Air Load Vas   46.7 liters
Effecttive Piston Area Sd   0.035m2
Max. Linear Excursion(Mathematical) Smax   ±2.5mm
Voice-coil Inductance @ 1KHz Le   0.8mH
Overall Diameter:   261mm
Bolt Circle Diameter:   246mm
Baffle Cutout Diameter:   230mm
Depth   175mm
Net Weight:   6.8kg
Shipping Weight:   7.3kg
Shipping Box:   270x270x200mm

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