RCF
PROFESSIONAL COMPONENTS
LF18N408 - HIGH POWER 18" WOOFER
|
|
|
LF18N408 - HIGH POWER 18" WOOFER |
|
LIGHTWEIGHT NEODYMIUM MAGNET WEIGHS ONLY 19.8LBS. & HANDLES EXTREME POWER OF 3,000 WATTS PROGRAM! |
|
|
|
LF18N408 |
|
Item Price: $709.00 |
|
|
WOOFER
MODEL |
LF18N408 |
|
SPECIFICATIONS |
|
|
Nominal
Basket Diameter |
18" |
|
Impedance |
8
ohms |
|
AES
Power Rating |
1,500 Watts |
| Program Power |
3,000
Watts |
|
Frequency
Response |
25Hz
- 1.0kHz |
|
Sensitivity
(1W/1m) |
97dB |
|
Voice
Coil Diameter |
4" / 102mm |
| Max. Excursion Before Damage | 2.28" / 58mm |
| Voice Coil Winding Depth | .59" / 38mm |
| Top Plate Thickness | 1.33" / 15mm |
| Number Of Layers | 2 |
|
MATERIALS |
|
| Voice Coil Material | Copper |
| Cone Material | Fiber |
| Cone Design | Curved |
| Surround Material | Polycotton |
| Surround Design | Triple Roll |
| Demodulation Rings | Aluminum |
| Number of Demodulation Rings | 2 |
| Magnet | Neodymium |
|
MOUNTING INFORMATION |
|
|
Overall Diameter |
18.31" / 465mm |
| Bolt Circle Diameter | 17.4"-17.6"" / 442-447mm |
| Baffle Cutout Diameter | 16.65" / 423mm |
| No. Of Mounting Holes | 8 |
| Mounting Hole Diameter | 0.28" / 7mm |
| Overall Depth | 8.8" / 223.5mm |
| Flange Thickness | .55" / 14mm |
| Volume Displaced By Driver | 5.5 Liters / .22ft^3 |
| Net Weight | 9 kg. / 19.84 lbs. |
| Shipping Weight | 10.2 kg. / 22.49 lbs. |
|
THIELE-SMALL PARAMETERS |
|
| Resonant Frequency (fs) | 30 Hz |
| Impedance (Re) | 4.3 ohms |
| Coil Inductance (Le) | 1.56mH |
| Electromagnetic Q (Qes) | .36 |
| Mechanical Q (Qms) | 3.6 |
| Total Q (Qts) | .33 |
| Compliance Equivalent Vol. (Vas) | 193 Liters/6.81cu. ft. |
| Voice Coil Overhang (Xmax) | 15mm |
| BL Factor (BL) | 25.7T-M |
| Effective Moving Mass (Mms) | 284 grams |
| Surface Area of Cone(Sd) | .122 m2 |
| Reference Efficiency | 1.57% |
|
FREQUENCY RESPONSE |
|
|
Coming Soon |
|
US Speaker, LLC
