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LF Speaker Ferrite


Key Features



MODEL W106542
Nominal Diameter 250/10 mm/inch
Rated impedance 8 ohm
Power handing capacity 300 watts
Sensitivity(1w/1m) 95.5 dB
Frequency Range Fs-3500 Hz
Voice Coil Diameter 65/2.5 mm/inch
Voice Coil Material Copper
Number of layer 2
Kind of layer inside/outside 
Resonance frequency Fs 69 Hz 
Dc resistance Re 6.1 ohm
Mechanical factor Qms 8.9
Electrical factor Qes 0.47
Total factor Qts 0.45
BL factor BL 16 T.M
Effective Moving mass Mms 41.47 g
Effective Cas air load Vas 23.45 liters
Effective piston area Sd 0.0363 m^2
Overall Diameter Φ262/Φ10.31 mm/inch
Bolt Circle Diameter Φ245/Φ9.65 mm/inch 
Bolt Hole Diameter 8-Φ9.5*6.5/8-Φ0.37*0.26 mm/inch
Mount Baffle Cut-out Φ233/Φ9.17 mm/inch
Depth 116/4.57 mm/inch
Net Wei      (4 unit) 16.8 kg
Shipping Weight (4 unit) 28.8 kg
Package Size   (4 unit) 500*280*300 mm 

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