PRO Audio 18 Inch PA Subwoofer Professional Audio Speaker China Subwoofer
Product main features:
- 900Watts RMS power
- 97dB Sensitivity 1w/1m
- 42Hz-1.7K Hz frequency response range
- 125mm/5 inch inside/outside copper voice coil with polyimide fiberglass former
- Triple-roll surround and corrugated straight cone geometry
- Reinforced Conex spider to improve linearity control
Product main features:
- 900Watts RMS power
- 97dB Sensitivity 1w/1m
- 42Hz-1.7K Hz frequency response range
- 125mm/5 inch inside/outside copper voice coil with polyimide fiberglass former
- Triple-roll surround and corrugated straight cone geometry
- Reinforced Conex spider to improve linearity control
| General Specifications | ||
| Nominal Diameter | 460/18 | mm/inch |
| Rated Impedance | 8 | ohm |
| Nominal Power handling | 900 | Watts |
| Program Power | 1800 | Watts |
| Sensitivity(lw/lm) | 97 | dB |
| Frequency Range | 42-1.7K Hz | Hz |
| Minimum Impedance(Zmin) | 5.2 | ohm |
| Voice Coil Diameter | 125/5 | mm/inch |
| Voice Coil Material | Copper | |
| Number of layers | 2 | |
| Magnet gap depth | 12 | mm |
| Surround Shape | W-roll | |
| Basket | Cast Aluminium | |
| Magnet | 260 Ferrite | |
| Mounting Information | ||
| Overall Diameter | 466 | mm |
| Bolt Circle Diameter | 445 | mm |
| Baffle Cutout Diameter | 422 | mm |
| Overall Depth | 210 | mm |
| Net Weight | 17.3 | kg |
| Shipping weight | 18.2 | kg |
| Shipping Box | 490*490*250 | mm |
| Thiele-Small Parameters | |||
| Resonance frequency | Fs | 42 | Hz |
| DC resistance | Re | 5.3 | ohm |
| Mechanical factor | Qms | 9.19 | |
| Electrical factor | Qes | 0.32 | |
| Total factor | Qts | 0.31 | |
| Mechanical compliance | Cms | 0.07 | mm/N |
| Mechanical resistance | Rms | 6.9 | mech-ohm |
| of suspension losses | |||
| Effective Moving Mass | Mms | 213.4 | gr |
| Half-space efficiency | Eff | 2.98 | % |
| BL Factor | BL | 30.4 | T.m |
| Equivalent Cas air load | Vas | 134.3 | liters |
| Voice-coil inductance | LelK | 2 | mH |