RCF
PROFESSIONAL COMPONENTS
LF18X451 - EXTREME HIGH POWER 18" WOOFER
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LF18X451 - EXTREME HIGH POWER 18" WOOFER |
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HANDLES EXTREME POWER OF 3,600 WATTS, HAS A STRONG MOTOR WITH A BL FACTOR OF 30.5TM W/ A HIGH 13.5MM XMAX! |
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LF18X451 |
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Item Price: $729.00 |
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WOOFER
MODEL |
LF18X451 |
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SPECIFICATIONS |
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Nominal
Basket Diameter |
18" |
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Impedance |
8
ohms |
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AES
Power Rating |
1,800 Watts |
| Program Power |
3,600
Watts |
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Frequency
Response |
30Hz
- 1.0kHz |
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Sensitivity
(1W/1m) |
97.5dB |
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Voice
Coil Diameter |
4.5" / 115mm |
| Max. Excursion Before Damage | 2.12" / 54mm |
| Voice Coil Winding Depth | 1.33" / 34mm |
| Top Plate Thickness | .6" / 15mm |
| Number Of Layers | 2 |
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MATERIALS |
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| Voice Coil Material | Copper |
| Cone Material | No Pressed Pulp |
| Cone Design | Straight |
| Surround Material | Polycotton |
| Surround Design | Triple Roll |
| Magnet | Ferrite |
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MOUNTING INFORMATION |
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Overall Diameter |
18.3" / 465mm |
| Bolt Circle Diameter | 17.4"-17.6"" / 442-447mm |
| Baffle Cutout Diameter | 16.7" / 424mm |
| No. Of Mounting Holes | 8 |
| Mounting Hole Diameter | 0.26" / 6.5mm |
| Overall Depth | 7.63" / 194mm |
| Flange Thickness | .55" / 14mm |
| Volume Displaced By Driver | 6.5 Liters / .23ft^3 |
| Net Weight | 15.2 kg. / 33.4 lbs. |
| Shipping Weight | 16.2 kg. / 35.5 lbs. |
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THIELE-SMALL PARAMETERS |
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| Resonant Frequency (fs) | 30 Hz |
| Impedance (Re) | 5.4 ohms |
| Coil Inductance (Le) | 2.9mH |
| Electromagnetic Q (Qes) | .29 |
| Mechanical Q (Qms) | 6.7 |
| Total Q (Qts) | .28 |
| Compliance Equivalent Vol. (Vas) | 220 Liters/7.77cu. ft. |
| Voice Coil Overhang (Xmax) | 13.5mm |
| BL Factor (BL) | 30.5T-M |
| Effective Moving Mass (Mms) | 260 grams |
| Surface Area of Cone(Sd) | .122 m2 |
| Reference Efficiency | 1.9% |
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FREQUENCY RESPONSE |
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IMPEDANCE |
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MOUNTING INFORMATION |
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US Speaker, LLC
