RCF PROFESSIONAL COMPONENTS |
LF18X400 - EXTREME HIGH POWER 18" WOOFER |
HANDLES EXTREME POWER OF 2,000 WATTS, GOES DOWN TO 25HZ & HAS A HIGH 9.0MM XMAX! |
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NEW LF18X400 |
Item Price: $498.95 |
WOOFER
MODEL |
LF18X400 |
SPECIFICATIONS |
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Nominal
Basket Diameter |
18" |
Impedance |
8
ohms |
AES
Power Rating |
1,000 Watts |
Program Power |
2,000
Watts |
Frequency
Response |
25Hz
- 1.0kHz |
Sensitivity
(1W/1m) |
97.5dB |
Voice
Coil Diameter |
4" / 100mm |
Max. Excursion Before Damage | 2" / 50mm |
Voice Coil Winding Depth | .9" / 23mm |
Number Of Layers | 2 |
MATERIALS |
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Voice Coil Material | Copper |
Cone Material | No Pressed Pulp |
Cone Design | Straight |
Surround Material | Polycotton |
Surround Design | Triple Roll |
MOUNTING INFORMATION |
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Overall Diameter |
18.3" / 465mm |
Bolt Circle Diameter | 17.4" / 442mm |
Baffle Cutout Diameter | 16.7" / 424mm |
No. Of Mounting Holes | 8 |
Mounting Hole Diameter | 0.3" / 6.5mm |
Overall Depth | 8.3" / 210mm |
Flange Thickness | .55" / 14mm |
Volume Displaced By Driver | 7 Liters / .25ft^3 |
Net Weight | 13.3 kg. / 29.3 lbs. |
Shipping Weight | 14.3 kg. / 31.5 lbs. |
THIELE-SMALL PARAMETERS |
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Resonant Frequency (fs) | 28 Hz |
Impedance (Re) | 5.1 ohms |
Coil Inductance (Le) | 2.3mH |
Electromagnetic Q (Qes) | .29 |
Mechanical Q (Qms) | 4.6 |
Total Q (Qts) | .27 |
Compliance Equivalent Vol. (Vas) | 360 Liters/12.7cu. ft. |
Voice Coil Overhang (Xmax) | 9.0mm |
BL Factor | 24.2T-M |
Effective Moving Mass (Mms) | 190 grams |
Surface Area of Cone(Sd) | .122 m2 |
Reference Efficiency | 2.63% |
FREQUENCY RESPONSE |
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MOUNTING INFORMATION |
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US Speaker, LLC