China L12/8402-12" PRO Audio PA Loudspeaker, 450W-Subwoofer, Find details and Price about China Subwoofer, PRO Speaker from L12/8402-12" PRO Audio PA Loudspeaker, 450W-Subwoofer
L12/8402-12'' Pro Audio High quality Subwoofer Speaker
Speaker's Details:
General Specifications | ||
Nominal Diameter | 300/12 | mm/inch |
Rated Impedance | 8 | ohm |
Nominal Power handling | 450 | Watts |
Program Power | 900 | Watts |
Sensitivity(lw/lm) | 95 | dB |
Frequency Range | 48.7-1.8k | Hz |
Minimum Impedance(Zmin) | 6.8 | ohm |
Voice Coil Diameter | 100/4 | mm/inch |
Voice Coil Material | copper | |
Voice Coil Winding Depth | 23 | mm |
Number of layers | 2 | |
Magnet gap depth | 12 | mm |
Surround Shape | Triple-roll | |
Basket | Cast Aluminum | |
Flux Density | 1.1 | T |
Magnet Material/Mass | Ceramic |
Thiele-Small parameters | |||
Resonance frequency | Fs | 48.7 | Hz |
DC resistance | Re | 5.4 | ohm |
Mechanical factor | Qms | 14.2 | |
Electrical factor | Qes | 0.27 | |
Total factor | Qts | 0.26 | |
Mechanical compliance | Cms | 0.11 | mm/N |
Mechanical resistance of suspension losses | Rms | 2.1 | mech-ohm |
Effective Moving Mass | Mms | 97 | gr |
Half-space efficiency | Eff | 2.0 | % |
BL Factor | BL | 24.5 | T.m |
Equivalent Cas air load | Vas | 49 | liters |
Effective piston area | Sd | 0.056 | m2 |
Max.linear excursion | Xmax | 8 | mm |
Voice-coil inductance | LelK | 1.86 | mH |
Mounting Information | ||
Overall Diameter | 313 | mm |
Bolt Circle Diameter | 294 | mm |
Bolt Hole Diameter | 6.5 | mm |
Baffle Cutout Diameter | 285 | mm |
Overall Depth | 125 | mm |
Net Weight | 11.2 | kg |