China L18/8683-New Arrival! Professional 18 Inch PA Speaker 800W RMS Subwoofer, Find details and Price about China 18 Inch PA Speaker, Subwoofer from L18/8683-New Arrival! Professional 18 Inch PA Speaker 800W RMS Subwoofer
General Specifications | ||
Nominal Diameter | 460/18 | mm/inch |
Rated Impedance | 8 | ohm |
Nominal Power handling | 800 | Watts |
Program Power | 1600 | Watts |
Sensitivity(lw/lm) | 98 | dB |
Frequency Range | 38-1.5K | Hz |
Minimum Impedance(Zmin) | 6.9 | ohm |
Voice Coil Diameter | 125/5 | mm/inch |
Voice Coil Material | Copper Clad Aluminum | |
Voice Coil Winding Depth | 25 | mm |
Number of layers | 2(Inside/Outside) | |
Magnet gap depth | 12 | mm |
Cone Shape | Curved | |
Surround Shape | M-roll | |
Basket | Cast Aluminum | |
Flux Density | 1.1 | T |
Magnet Material/Mass | Ceramic |
Thiele-Small parameters | |||
Resonance frequency | Fs | 38 | Hz |
DC resistance | Re | 5.6 | ohm |
Mechanical factor | Qms | 8.5 | |
Electrical factor | Qes | 0.34 | |
Total factor | Qts | 0.33 | |
Mechanical compliance | Cms | 0.089 | mm/N |
Mechanical resistance of suspension losses | Rms | 4.9 | mech-ohm |
Effective Moving Mass | Mms | 192 | gr |
Half-space efficiency | Eff | 3.0 | % |
BL Factor | BL | 28 | T.m |
Equivalent Cas air load | Vas | 193 | liters |
Effective piston area | Sd | 0.1257 | m2 |
Max.linear excursion | Xmax | 8 | mm |
Voice-coil inductance | LelK | 1.3 | mH |
Mounting Information | ||
Overall Diameter | 461 | mm |
Bolt Circle Diameter | 424 | mm |
Bolt Hole Diameter | 6.5*9.5 | mm |
Baffle Cutout Diameter | 439 | mm |
Overall Depth | 202 | mm |
Net Weight | 19.2 | kg |