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RCF LF18-X400 18" 8-Ohm 1000-Watt Low Frequency Woofer Speaker

SKU:LF18X400

RCF 18  
Other Products by   RCF
See more   Replacement Woofers
 (0 reviews)     
Condition: Brand New
Our Part No:   LF18X400
Manufacturer Part No:   LF18X400
UPC:   11185002
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FEATURES

4-inch, fiberglass inside/outside copper voice coil
2000W continuous program power handling
97.5 dB Sensitivity
25 Hz – 1 kHz Frequency range
Progressive, spaced, aluminum demodulation rings
Forced air ventilation and 14 mm top plate for minimum power compression
Dual spider design with silicon based dampening control
Triple roll surround and corrugated straight cone geometry
GENERAL SPECIFICATIONS
Nominal Diameter:460 / 18 mm/inch
Rated Impedance:8 Ω
Program Power:2000 W AES
Power handling capacity:1000 W AES
Sensitivity:97.5 dB
Frequency Range:25 Hz ÷ 1000 Hz
Effective Piston Diameter:395 / 15.6 mm/inch
Max Excursion Before Damage (peak to peak):50 / 2.0 mm/inch
Minimum Impedance:6.0 Ω
Voice Coil Diameter:100 / 4 mm/inch
Voice Coil Material:Copper
Voice Coil Winding Depth:25 / 1.0 mm/inch
Number of layers:2
Kind of layer:inside / outside
Top Plate Thickness:14/0.55 mm/inch
Cone Material:No pressed pulp
Cone Design:Straight
Surround Material:Polycotton
Surround Design:Triple roll

THIELE/SMALL PARAMETERS

Resonance frequency:28 Hz
DC resistance:5.1Ω
Mechanical factor:6.5
Electrical factor:0.29
Total factor:0.27
BL Factor:25 T · m
Effective Moving Mass:192 g
Equivalent Cas air load:340 liters
Effettive piston area:0.122 m²
Max. linear excursion (mathematical):9.0 mm
Voice - coil inductance @ 1kHz:2.3 mH
Half-space efficiency:2.64%

MOUNTING INFORMATION

Overall Diameter:465 / 18.3 mm/inch
Bolt Circle Diameter:442-447 / 17.4-17.6 mm/inch
Bolt Hole Diameter:6.5 / 0.25 mm/inch
Front Mount Baffle Cut-out:424 / 16.7 mm/inch
Rear Mount Baffle Cut-out:424 / 16.7 mm/inch
Depth:210/8.3 mm/inch
Volume occupied by the driver:7.0/0.25 liters/ft³
Net Weight:13.3 / 29.3 kg/lbs

SHIPPING INFORMATION

Shipping weight:14.3 / 31.5 kg/lbs
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