Modelo:
18LW 2000
- Sub woofer 18 inches
- Diameter 18″
- Impedance 8 ohm
- Continuous Power 1000W RMS
- Maximum Power 2000W
- Frequency Range 35Hz- 1.5KHz
- Sensitibity 97dB 1W/ 1m
- Coil 4″
- Weight 14.8 / 32.9 kg/lbs
Caracerísticas
The 18LW 2000 from SPS is a low frequency woofer that can be installed in a bass reflex or band pass system. It is 18″ and a 4″ fiberglass inside/outside copper voice coil to provide a power handling of up to 2000W for strong bass performance. The forced air ventilation system results in terrific heat dissipation, while the 15mm top plate provides precise amplitude control.
| Nominal Diameter | 460 / 18 mm/inch |
| Impedance | 8 Ω |
| Program Power | 2000 W AES |
| Nominal Power | 1000 W AES |
| Sensitivity | 97 dB |
| Frequency Range | 35 Hz ÷ 1000 Hz |
| Effective Piston Diameter | 380 / 15 mm/inch |
| Max Excursion before damage | 40 / 1.6 mm/inch |
| Voice Coil Diameter | 100 / 4 mm/inch |
| Voice Coil Material | Copper |
| Number of layers | inside / outside |
| Cone Materal | No pressed pulp |
| Magnet Weight | 126 oz |
Thielle-Small
RESONANCE FREQUENCY (FS): 33 Hz
DC RESISTANCE (RE): 5.00 ohm
MECHANICAL FACTOR: 8.30 Qms
ELECTRICAL FACTOR (QES): 0.34 Qes
TOTAL FACTOR: 0.33 Qts
BL FACTOR (BL): 23.50 T x m
USEFUL MOBILE MASS (MMS): 180.0 g
AIR LOAD CAS EQUIVALENT (VAS): 226.0 liters
USEFUL PISTON AREA (SD): 0.110 m2
LINEAR EXCURSION MAX. (XMAX): 8.0 mm
MOBILE COIL INDUCTANCE AT 1 KHZ (LE1K): 1.80 mH
HALF SPACE PERFORMANCE (EFF): 2.30%
Assembly information
OVERALL DIAMETER: 460 mm / 18.11 inches
SCREW CIRCUMFERENCE DIAMETER: 438 mm / 17.24 inch
SCREW HOLE DIAMETER: 8mm / 0.31 inch
FRONT BAFFLE HOLE: 416 mm / 16.38 inch
REAR BAFFLE HOLE: 418 mm / 16.46 inch
VOLUME OCCUPIED BY ENGINE: 6.5 liters / 0.26 ft3
