L18/8631
<102dB
Not Hi-Fi
Passive
Wire / Remote Control
Passive
Ferrite
Stage
ISO
None
<0.005%
18 Inch Subwoofer
Hipower
98%
Stable
Europe,Asia,North and South America
Hipower
Export Carton
18 inch
China
85182900
Product Description
18 Inch PA Subwoofer Bass Loudspeaker China Speaker manufacturer
| General Specifications | ||
| Nominal Diameter | 460/18 | mm/inch |
| Rated Impedance | 8 | ohm |
| Nominal Power handling | 1000 | Watts |
| Program Power | 2000 | Watts |
| Sensitivity(lw/lm) | 96 | dB |
| Frequency Range | 36.5-450 | Hz |
| Minimum Impedance(Zmin) | 9.9 | ohm |
| Voice Coil Diameter | 150/6 | mm/inch |
| Voice Coil Material | Copper | |
| Voice Coil Winding Depth | 29 | mm |
| Number of layers | 2(Inside/Outside) | |
| Magnet gap depth | 12 | mm |
| Surround Shape | Triple-roll | |
| Basket | Cast Aluminum | |
| Flux Density | 1.0 | T |
| Magnet Material/Mass | Ceramic | |
| Mounting Information | ||
| Overall Diameter | 471 | mm |
| Bolt Circle Diameter | 440 | mm |
| Bolt Hole Diameter | 6.5x2.5 | mm |
| Baffle Cutout Diameter | 415 | mm |
| Overall Depth | 205 | mm |
| Net Weight | 26 | kg |
| Thiele-Small parameters | |||
| Resonance frequency | Fs | 36.5 | Hz |
| DC resistance | Re | 6.5 | ohm |
| Mechanical factor | Qms | 11.2 | |
| Electrical factor | Qes | 0.27 | |
| Total factor | Qts | 0.26 | |
| Mechanical compliance | Cms | 0.05 | mm/N |
| Mechanical resistance of suspension losses | Rms | 7.6 | mech-ohm |
| Effective Moving Mass | Mms | 370 | gr |
| Half-space efficiency | Eff | 1.86 | % |
| BL Factor | BL | 45.2 | T.m |
| Equivalent Cas air load | Vas | 108 | liters |
| Effective piston area | Sd | 0.1225 | m2 |
| Max.linear excursion | Xmax | 11 | mm |
| Voice-coil inductance | LelK | 6.4 | mH |
